新市區(qū)球墨鑄鐵管價(jià)格錦宏皓供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 宜用低氯離子水沖洗和。折疊編輯本段標(biāo)準(zhǔn)折疊產(chǎn)品標(biāo)準(zhǔn)GB/T13295-2013水及燃?xì)夤艿烙们蚰 T鐵管、管件和附件GB/T17457-1998球墨鑄鐵管水泥砂漿離心法襯層一般要求GB/T174"><meta name="keywords" content="新市區(qū)球墨鑄鐵管價(jià)格,球墨鑄鐵管"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://m.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track id="qgqbi"><label id="qgqbi"></label></track><tbody id="qgqbi"></tbody><legend id="qgqbi"></legend><th id="qgqbi"><button id="qgqbi"></button></th><listing id="qgqbi"><rt id="qgqbi"></rt></listing><sup id="qgqbi"><dd id="qgqbi"><tbody id="qgqbi"></tbody></dd></sup><menu id="qgqbi"><xmp id="qgqbi"></xmp></menu><fieldset id="qgqbi"><acronym id="qgqbi"></acronym></fieldset><wbr id="qgqbi"><mark id="qgqbi"><strong id="qgqbi"></strong></mark></wbr><tbody id="qgqbi"><small id="qgqbi"></small></tbody><label id="qgqbi"><tfoot id="qgqbi"></tfoot></label><div id="qgqbi"><th id="qgqbi"><object id="qgqbi"></object></th></div><listing id="qgqbi"></listing><source id="qgqbi"><ins id="qgqbi"></ins></source><noframes id="qgqbi"></noframes><noscript id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"></tt></strike></noscript><strike id="qgqbi"><rp id="qgqbi"></rp></strike><dl id="qgqbi"></dl><th id="qgqbi"></th><acronym id="qgqbi"></acronym><center id="qgqbi"><input id="qgqbi"><div id="qgqbi"><th id="qgqbi"></th></div></input></center><label id="qgqbi"></label><tr id="qgqbi"><label id="qgqbi"><center id="qgqbi"></center></label></tr><menuitem id="qgqbi"><em id="qgqbi"><legend id="qgqbi"></legend></em></menuitem><pre id="qgqbi"></pre><fieldset id="qgqbi"><address id="qgqbi"><abbr id="qgqbi"><dl id="qgqbi"></dl></abbr></address></fieldset><sup id="qgqbi"><form id="qgqbi"></form></sup><form id="qgqbi"></form> <form id="qgqbi"></form><center id="qgqbi"><rp id="qgqbi"></rp></center><code id="qgqbi"></code><option id="qgqbi"><i id="qgqbi"><tr id="qgqbi"></tr></i></option><address id="qgqbi"></address><pre id="qgqbi"></pre><wbr id="qgqbi"></wbr><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"></bdo></delect></dl><table id="qgqbi"><p id="qgqbi"></p></table><label id="qgqbi"><xmp id="qgqbi"><noscript id="qgqbi"><dl id="qgqbi"></dl></noscript></xmp></label><cite id="qgqbi"></cite><acronym id="qgqbi"><object id="qgqbi"><big id="qgqbi"></big></object></acronym><rp id="qgqbi"></rp><tt id="qgqbi"></tt><output id="qgqbi"></output><table id="qgqbi"><p id="qgqbi"><ruby id="qgqbi"></ruby></p></table><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><u id="qgqbi"></u><bdo id="qgqbi"><tr id="qgqbi"><dfn id="qgqbi"></dfn></tr></bdo><strike id="qgqbi"><font id="qgqbi"></font></strike><s id="qgqbi"></s><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"><pre id="qgqbi"></pre></code></samp></acronym><cite id="qgqbi"></cite><form id="qgqbi"><dl id="qgqbi"><pre id="qgqbi"><label id="qgqbi"></label></pre></dl></form><center id="qgqbi"><rp id="qgqbi"></rp></center><font id="qgqbi"></font><menu id="qgqbi"></menu><small id="qgqbi"><strong id="qgqbi"><sup id="qgqbi"><form id="qgqbi"></form></sup></strong></small><label id="qgqbi"><tfoot id="qgqbi"><em id="qgqbi"></em></tfoot></label><optgroup id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></optgroup><label id="qgqbi"></label><meter id="qgqbi"><noframes id="qgqbi"><i id="qgqbi"><ins id="qgqbi"></ins></i></noframes></meter><kbd id="qgqbi"></kbd><b id="qgqbi"></b><dl id="qgqbi"><delect id="qgqbi"><th id="qgqbi"><span id="qgqbi"></span></th></delect></dl><font id="qgqbi"></font><small id="qgqbi"></small><mark id="qgqbi"></mark><del id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></del><dd id="qgqbi"><ruby id="qgqbi"><menu id="qgqbi"></menu></ruby></dd><th id="qgqbi"><em id="qgqbi"></em></th><abbr id="qgqbi"></abbr><span id="qgqbi"><kbd id="qgqbi"><dfn id="qgqbi"><sub id="qgqbi"></sub></dfn></kbd></span><ins id="qgqbi"></ins><s id="qgqbi"><progress id="qgqbi"></progress></s><th id="qgqbi"></th><bdo id="qgqbi"></bdo><blockquote id="qgqbi"></blockquote><b id="qgqbi"></b><nav id="qgqbi"><div id="qgqbi"></div></nav> <meter id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></meter><tfoot id="qgqbi"></tfoot><big id="qgqbi"><pre id="qgqbi"><s id="qgqbi"></s></pre></big><small id="qgqbi"></small><table id="qgqbi"><td id="qgqbi"><sup id="qgqbi"></sup></td></table><form id="qgqbi"><tr id="qgqbi"></tr></form><tr id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></tr><ul id="qgqbi"></ul><center id="qgqbi"><optgroup id="qgqbi"><div id="qgqbi"></div></optgroup></center><rp id="qgqbi"><input id="qgqbi"><blockquote id="qgqbi"><th id="qgqbi"></th></blockquote></input></rp><tbody id="qgqbi"></tbody><form id="qgqbi"><u id="qgqbi"><fieldset id="qgqbi"></fieldset></u></form><rp id="qgqbi"></rp><b id="qgqbi"><small id="qgqbi"></small></b><dd id="qgqbi"></dd><kbd id="qgqbi"></kbd><code id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"></ul></pre></code><strong id="qgqbi"></strong><cite id="qgqbi"><sub id="qgqbi"></sub></cite><object id="qgqbi"></object><dfn id="qgqbi"></dfn><pre id="qgqbi"></pre><xmp id="qgqbi"></xmp><pre id="qgqbi"></pre><sup id="qgqbi"><form id="qgqbi"><cite id="qgqbi"></cite></form></sup><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><input id="qgqbi"></input><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"></code></samp></acronym><nobr id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"><strong id="qgqbi"></strong></ul></pre></nobr><menuitem id="qgqbi"><em id="qgqbi"><wbr id="qgqbi"><mark id="qgqbi"></mark></wbr></em></menuitem><dl id="qgqbi"></dl><rp id="qgqbi"><input id="qgqbi"><div id="qgqbi"></div></input></rp><div id="qgqbi"><button id="qgqbi"><pre id="qgqbi"><meter id="qgqbi"></meter></pre></button></div><address id="qgqbi"></address><thead id="qgqbi"><abbr id="qgqbi"><sup id="qgqbi"></sup></abbr></thead><em id="qgqbi"></em><ul id="qgqbi"><listing id="qgqbi"><wbr id="qgqbi"></wbr></listing></ul><listing id="qgqbi"></listing><wbr id="qgqbi"></wbr><thead id="qgqbi"><abbr id="qgqbi"><strike id="qgqbi"></strike></abbr></thead><menuitem id="qgqbi"></menuitem><pre id="qgqbi"></pre><pre id="qgqbi"></pre><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"><span id="qgqbi"></span></bdo></delect></dl><ruby id="qgqbi"></ruby><pre id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"><i id="qgqbi"></i></tt></strike></pre><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset><cite id="qgqbi"><sub id="qgqbi"></sub></cite><optgroup id="qgqbi"></optgroup><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset></div><div id="nch3u" class="pl_css_ganrao" style="display: none;"><code id="nch3u"><strong id="nch3u"></strong></code><mark id="nch3u"></mark><thead id="nch3u"></thead><p id="nch3u"></p><ruby id="nch3u"></ruby><object id="nch3u"><del id="nch3u"></del></object><dfn id="nch3u"><dl id="nch3u"><style id="nch3u"><form id="nch3u"></form></style></dl></dfn><dd id="nch3u"><s id="nch3u"><strong id="nch3u"></strong></s></dd><big id="nch3u"></big><big id="nch3u"></big><center id="nch3u"></center><tfoot id="nch3u"></tfoot><output id="nch3u"></output><label id="nch3u"><tfoot id="nch3u"><em id="nch3u"><style id="nch3u"></style></em></tfoot></label><thead id="nch3u"><address id="nch3u"><form id="nch3u"><legend id="nch3u"></legend></form></address></thead><pre id="nch3u"><label id="nch3u"><progress id="nch3u"></progress></label></pre><pre id="nch3u"><u id="nch3u"></u></pre><fieldset id="nch3u"><address id="nch3u"></address></fieldset><tfoot id="nch3u"><em id="nch3u"><legend id="nch3u"><dfn id="nch3u"></dfn></legend></em></tfoot><th id="nch3u"></th><form id="nch3u"><dl id="nch3u"><pre id="nch3u"><label id="nch3u"></label></pre></dl></form><tfoot id="nch3u"></tfoot><dl id="nch3u"><small id="nch3u"><bdo id="nch3u"><span id="nch3u"></span></bdo></small></dl><big id="nch3u"></big><dfn id="nch3u"></dfn><menuitem id="nch3u"><abbr id="nch3u"></abbr></menuitem><span id="nch3u"></span><strike id="nch3u"></strike><fieldset id="nch3u"><address id="nch3u"><strong id="nch3u"></strong></address></fieldset><form id="nch3u"></form><thead id="nch3u"></thead><nobr id="nch3u"></nobr><s id="nch3u"><progress id="nch3u"><listing id="nch3u"></listing></progress></s><tr id="nch3u"><abbr id="nch3u"></abbr></tr><ol id="nch3u"></ol><output id="nch3u"><strong id="nch3u"></strong></output><label id="nch3u"></label><ins id="nch3u"></ins><ul id="nch3u"></ul><code id="nch3u"></code><div id="nch3u"><button id="nch3u"><object id="nch3u"></object></button></div><b id="nch3u"></b><sub id="nch3u"><li id="nch3u"><th id="nch3u"><em id="nch3u"></em></th></li></sub><wbr id="nch3u"></wbr><i id="nch3u"><tr id="nch3u"><abbr id="nch3u"><strike id="nch3u"></strike></abbr></tr></i><delect id="nch3u"></delect><thead id="nch3u"><ruby id="nch3u"><ol id="nch3u"></ol></ruby></thead><rp id="nch3u"></rp><span id="nch3u"><form id="nch3u"><legend id="nch3u"></legend></form></span><form id="nch3u"></form></div><header class="header container"><span id="eafgfz2" class="logo"><a href="http://m.cdcfah.com/"><img src="/static/new_net_01/images/logo.png" alt="找產(chǎn)品網(wǎng)"></a></span><span id="lnyg2bb" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務(wù)平臺(tái) </span><div id="nk3rgxg" class="searchbox"><div id="m7hxzov" class="searchLt"><div id="fajlxeq" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="zhj7eoj" class="clearfix searchWrap"><div id="dqsmoa7" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="2mtq7q3" class="container"><ul><li id = "index_index"><a href="http://m.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://m.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://m.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://m.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://m.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="l8bxu7k" class="twoCol"><div id="8mjqspb" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/second-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://m.cdcfah.com/cp/third-jxjxysb_hggdjpjxs/">化工管道及配件</a>?新市區(qū)球墨鑄鐵管價(jià)格錦宏皓供應(yīng)</p><div id="qdkhegi" class="leftbox clearfix"><h1>新市區(qū)球墨鑄鐵管價(jià)格錦宏皓供應(yīng)</h1><div id="iwyukmo" class="proBig"><div id="canpr3l" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543241897858/6369595432418978587567592.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8jq3x8j" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543241897858/6369595432418978587567592.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gkcuw8o" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>新市區(qū)球墨鑄鐵管價(jià)格,球墨鑄鐵管</p><p><span>***更新：</span>2020-09-01 07:01:53</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7u3sprt" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆錦宏皓商貿(mào)有限公司</a></p><p><span>聯(lián)系人：</span>閆會(huì)平</p><p><span>郵箱: </span>896446354@qq.com</p><p><span>電話: </span>13999253221</p><p><span>傳真: </span>0991_6885581</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0991-6868255</p><p><span>地址: </span>新疆烏魯木齊市米東區(qū)米東南路西三巷1151號(hào)華凌建材進(jìn)出口基地鋼材區(qū)25棟26號(hào)商鋪</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="trogn7k" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="xgd7e43" class="box"><p><p> 宜用低氯離子水沖洗和。折疊編輯本段標(biāo)準(zhǔn)折疊產(chǎn)品標(biāo)準(zhǔn)GB/T13295-2013水及燃?xì)夤艿烙们蚰 T鐵管、管件和附件GB/T17457-1998球墨鑄鐵管水泥砂漿離心法襯層一般要求GB/T17458-1998球墨鑄鐵管水泥砂漿離心法襯層新拌砂漿的成分檢驗(yàn)GB/T17459-1998球墨鑄鐵管瀝青涂層GB/T17456球墨鑄鐵管外表噴鋅GB/T17219-1998生活飲用水輸配水設(shè)備及防護(hù)材料的安全性評(píng)價(jià)標(biāo)準(zhǔn)折疊工程標(biāo)準(zhǔn)《建筑給水排水及采暖工程施工質(zhì)量驗(yàn)收規(guī)范》GB50242-2002相關(guān)標(biāo)準(zhǔn)圖10S505《柔性接口給水管道支墩》折疊選用建議1、對(duì)球墨鑄鐵管材的選擇應(yīng)根據(jù)敷設(shè)地具體情況，新市區(qū)球墨鑄鐵管價(jià)格，新市區(qū)球墨鑄鐵管價(jià)格，新市區(qū)球墨鑄鐵管價(jià)格，選擇直管與配件的接口形式。2、橡膠圈通常選用NBR、SBR、EPDM等材質(zhì)。3、涂層的選擇:根據(jù)使用時(shí)的內(nèi)、外部條件選擇適和的涂層?，F(xiàn)有內(nèi)涂層為環(huán)氧樹脂、聚氨酯內(nèi)外涂層、PE膜涂層等球墨鑄鐵管新產(chǎn)品，選用時(shí)應(yīng)詳細(xì)了解其性能。4、球墨鑄鐵管理論重量表:公稱直徑DN(mm)外徑DE(mm)壁厚T(mm)承口凸部近似重量(kg)直部每延米重量(kg)總質(zhì)量(kg)(標(biāo)準(zhǔn)工作長度6000mm)總質(zhì)量(kg)(標(biāo)準(zhǔn)工作長度5000mm)K8K9K10K8K9K10K8K9K10K8K9K折疊編輯本段性能球墨鑄鐵管是鑄鐵的一種，是一種鐵、碳和硅的合金。球墨鑄鐵中石墨是以球狀形式存在的。阿克蘇球墨鑄鐵水篦子標(biāo)準(zhǔn) 。新市區(qū)球墨鑄鐵管價(jià)格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新市區(qū)球墨鑄鐵管價(jià)格,球墨鑄鐵管" src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543241897858/6369595432418978587567592.jpg"></div><p> 增加氣泡的外來**；此外鎂蒸汽直接與砂型中的水分作用，產(chǎn)生ＭｇＯ煙氣及氫氣，也會(huì)產(chǎn)生皮下氣孔。試驗(yàn)表明，殘鎂量大于，殘鎂越高越嚴(yán)重。因此在保證球化基礎(chǔ)上，盡量降低殘留鎂量。(5)鋁：鐵液中的鋁是鑄件產(chǎn)生氫氣孔的主要原因。據(jù)報(bào)道,當(dāng)濕型鑄造球墨鑄鐵的殘留鋁量為～，將產(chǎn)生皮下氣孔。，鐵液與鑄型中的水反應(yīng)生成ＦｅＯ與Ｈ2，由于鋁的脫氧作用，又生成Ａｌ2Ｏ3，其即為氣泡生成的**而又能吸附一定的氣體，增加了球鐵產(chǎn)生皮下氣孔的傾向。但是在減少渣中的ＦｅＯ成分時(shí)，鎂的存在使得鋁顯得多余，故鋁的敏感含量是有一定范圍的。(6)壁厚：皮下氣孔還有“壁厚效應(yīng)”特征，即氣孔的產(chǎn)生在一定壁厚范圍內(nèi)，實(shí)際上這與鑄件的凝固速度有關(guān)。鑄件壁厚大時(shí)，其凝固結(jié)皮時(shí)間推遲，有利于氣泡逸出。因此，一般來說壁厚小于6ｍｍ或大于25ｍｍ時(shí)不易產(chǎn)生皮下氣孔。(7)澆注溫度：澆注溫度類似于壁厚效應(yīng)，也有一個(gè)溫度范圍，在1285～1304℃時(shí)，皮下氣孔相當(dāng)嚴(yán)重。筆者進(jìn)一步研究認(rèn)為，不同的壁厚其危險(xiǎn)溫度也不相同，因此，應(yīng)根據(jù)鑄件壁厚共同確定澆注溫度。當(dāng)然，提高澆注溫度能延緩氧化膜的生成，防止熔渣進(jìn)入型腔，同時(shí)對(duì)砂型烘烤時(shí)間加長使水分向外遷移。。米東區(qū)球墨鑄鐵管廠家直供阿克蘇給水球墨鑄鐵管推薦。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新市區(qū)球墨鑄鐵管價(jià)格,球墨鑄鐵管" src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543324807335/6369595433248073359988493.jpg"></div><p> 摘要：目前，在生產(chǎn)球墨鑄鐵件的企業(yè)中，***采用稀土鎂硅鐵合金作為球化劑。現(xiàn)在普及使用電爐熔煉的企業(yè)中，通常使用5-8或3-8稀土鎂硅鐵合金。因電爐熔煉的鐵水硫含量不高，大部分企業(yè)使用3-8稀土鎂硅鐵合金。雖然部分企業(yè)已在使用喂絲球化孕育處理工藝，但仍有企業(yè)還在使用傳統(tǒng)的沖入法球化處理工藝。所以有必要把本人在球化處理(沖入法)實(shí)際操作的心得體會(huì)分享給大家，望對(duì)大家在生產(chǎn)中有所幫助。關(guān)鍵詞：球化包球化處理澆注時(shí)間質(zhì)量控制質(zhì)量檢驗(yàn)一．球化包1.球化包是重要的球化處理工具。球化包除具有一般鐵液澆包所具有的操作方便，手輪轉(zhuǎn)動(dòng)靈活，自鎖性好，安全可靠外，還應(yīng)有利于球化反應(yīng)過程中球化元素的吸收。一般高徑比（H/D>）即細(xì)高型。球化元素在鐵水包中吸收的路徑加長，有利于充分吸收。2．砌筑。在球化包底及四周砌筑耐火磚，注意把磚縫擠緊。在包底砌筑堤壩，用大磚（整塊）或耐火磚立砌，注意擠緊壓實(shí)。堤壩應(yīng)與包嘴有30o夾角，有利于把球化包內(nèi)的剩余鐵水全部傾倒完。3.搪包襯。先用面砂對(duì)包底填砂，用平錘平整搗實(shí)，既夯實(shí)包底又加固堤壩。堤壩高度以盛裝好球化劑、孕育劑、鐵屑后高出40-80mm。搪包材料用造型面砂和耐火土按4:1攪拌均勻。</p><p> 一、球墨鑄鐵的概念球墨鑄鐵是通過球化和孕育處理得到的球狀石墨，有效地提高了鑄鐵的機(jī)械性能，特別是提高了塑性和韌性，從而得到比碳鋼還高的強(qiáng)度。球墨鑄鐵是20世紀(jì)五十年代發(fā)展起來的一種**度鑄鐵材料，其綜合性能接近于鋼，正是基于其優(yōu)異的性能，已成功地用于鑄造一些受力復(fù)雜，強(qiáng)度、韌性、耐磨性要求較高的零件。球墨鑄鐵已迅速發(fā)展為僅次于灰鑄鐵的、應(yīng)用十分***的鑄鐵材料。所謂“以鐵代鋼”，主要指球墨鑄鐵。二、成分生鐵是含碳量大于2％的鐵碳合金，工業(yè)生鐵含碳量一般在，并含C、SI、Mn、S、P等元素，是用鐵礦石經(jīng)高爐冶煉的產(chǎn)品。根據(jù)生鐵里碳存在形態(tài)的不同，又可分為---煉鋼生鐵、鑄造生鐵和球墨鑄鐵等幾種。析出的石墨呈球形的鑄鐵。球狀石墨對(duì)金屬基體的割裂作用比片狀石墨小，使鑄鐵的強(qiáng)度達(dá)到基體組織強(qiáng)度的70～90％，抗拉強(qiáng)度可達(dá)120kgf/mm2，并且具有良好的韌性。球墨鑄鐵除鐵外的化學(xué)成分通常為：含碳量～％，含硅量～％，含錳、磷、硫總量不超過％和適量的稀土、鎂等球化劑。三、性能球鐵鑄件差不多已在所有主要工業(yè)部門中得到應(yīng)用，這些部門要求高的強(qiáng)度、塑性、韌性、耐磨性、耐嚴(yán)重的熱和機(jī)械沖擊、耐高溫或低溫、耐腐蝕以及尺寸穩(wěn)定性等。阿克蘇離心球墨鑄鐵管銷售廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新市區(qū)球墨鑄鐵管價(jià)格,球墨鑄鐵管" src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543149289467/6369595431492894676091816.jpg"></div><p> 下面的幾張球墨鑄鐵管腐蝕失效的照片是這個(gè)報(bào)告中的附圖。高質(zhì)量生產(chǎn)的球墨鑄鐵管基本能夠滿足輸水管道的一般應(yīng)用。而質(zhì)量管控差的鑄管企業(yè)生產(chǎn)的球墨鑄鐵管基本上與手工防腐鋼管相差無幾。因此，不要以為球墨鑄鐵管就一定比鋼管耐腐蝕。當(dāng)電阻率小于100歐姆米時(shí)，美國墾務(wù)局（類似于國內(nèi)水務(wù)公司）建議普通防腐的球墨鑄鐵管采取陰極保護(hù)，而重防腐（聚合物涂層）球墨鑄鐵管當(dāng)土壤電阻率小于25歐姆米時(shí)也需要陰極保護(hù)（參見CorrosionConsiderationsforBuriedMetallicWaterPipe2004）。新興鑄管在文章和報(bào)告中用工廠生產(chǎn)的球墨鑄鐵管與國內(nèi)手工防腐（外防腐為三油兩布，內(nèi)防腐為水泥砂漿或IPN8710涂料）的輸水鋼管做比較，一個(gè)是工廠程序化機(jī)械生產(chǎn)，質(zhì)量管控嚴(yán)格的的球墨鑄鐵管，另一個(gè)是手工操作，防腐質(zhì)量無法把控的輸水鋼管。由于加工手段不同，雖然它們采用的防腐材料基本相同，但實(shí)際防腐效果相差甚遠(yuǎn)。不過從另一方面提醒我們，除了現(xiàn)場補(bǔ)口施工，手工防腐的輸水鋼管應(yīng)當(dāng)***禁止生產(chǎn)和使用。球墨鑄鐵管防腐形式除了常規(guī)的內(nèi)襯水泥砂漿和管外噴涂瀝青外還有其它多種防腐，重防腐為內(nèi)外噴涂環(huán)氧或聚氨酯。而新型的輸水鋼管內(nèi)外防腐通常為聚氨酯。阿克蘇給水球墨鑄鐵管銷售廠家。沙依巴克區(qū)球墨鑄鐵管哪家優(yōu)惠</p><p style="text-indent:25px"> 阿克蘇球墨鑄鐵水篦子直銷。新市區(qū)球墨鑄鐵管價(jià)格</p><p> 能夠得到較好的力學(xué)性能。由于電弧溫度較高，球化元素氧化、蒸發(fā)嚴(yán)重，給焊縫的穩(wěn)定球化帶來困難，力學(xué)性能很難達(dá)到指標(biāo)。采用Z238焊條，白口傾向較大，因此，焊接時(shí)通常進(jìn)行400～700℃預(yù)熱，必要時(shí)焊后要進(jìn)行退火或正火處理。(2)鋼芯石墨球化通用鑄鐵焊條補(bǔ)焊。該種類焊條采用鋼芯，藥皮中加入脫氧元素、孕育劑及少量的球化劑。這種焊條對(duì)水分、空氣、鐵銹等不敏感，球化穩(wěn)定性很高，白口傾向低，焊縫的塑性及抗裂性都較好。對(duì)于剛性較小的部位，可以采用冷焊工藝補(bǔ)焊較長的焊縫或較大的面積，但是，剛性較大的部位應(yīng)進(jìn)行預(yù)熱或采用加熱減應(yīng)區(qū)法，焊縫的力學(xué)性能較好。接頭正火后，抗拉強(qiáng)度約為650MPa，伸長率約為5%。接頭退火后的抗拉強(qiáng)度一般大于420MPa，伸長率大于10%，比較高可達(dá)20%以上。缺點(diǎn)較長而寬度較窄時(shí)，可采用圖15-11所示的運(yùn)條手法及逐段多層連續(xù)焊方式;缺點(diǎn)較寬時(shí)，可采用圖15-12所示的分段、分層方式，其目的是減少白口，提高塑性，防止裂紋的發(fā)生。采用中弧施焊，弧長與焊條直徑大致相等。(3)鎳鐵焊條或高釩焊條補(bǔ)焊。可采用鎳鐵焊條(Z408)及高釩焊條(Z116、Z117)，進(jìn)行電弧冷焊球墨鑄鐵。鎳鐵焊條是一種通用性很強(qiáng)的焊條，焊縫金屬為鎳鐵合金。新市區(qū)球墨鑄鐵管價(jià)格</p><p style="text-indent:25px">新疆錦宏皓商貿(mào)有限公司位于新疆烏魯木齊市米東區(qū)米東南路西三巷1151號(hào)華凌建材進(jìn)出口基地鋼材區(qū)25棟26號(hào)商鋪。在市場經(jīng)濟(jì)的浪潮中拼博和發(fā)展，目前錦宏皓商貿(mào)在機(jī)械及行業(yè)設(shè)備中擁有較高的**度，享有良好的聲譽(yù)。錦宏皓商貿(mào)取得全網(wǎng)商盟認(rèn)證，標(biāo)志著我們的服務(wù)和管理水平達(dá)到了一個(gè)新的高度。錦宏皓商貿(mào)全體員工愿與各界有識(shí)之士共同發(fā)展，共創(chuàng)美好未來。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1114711.html</p></div></div></div></div></div><div id="ztvxegd" class="page-right twoColRt"><div id="7ifxzvs" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mvnpr2e" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="wf7urdk" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>寧波寧海直接考A2有幾個(gè)科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)</p></a></div><div id="8kmolip" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/2083415.html"><div><img src="https://tyunfile.71360.com/UploadFile/WZAJZNKJ/637332852248037109/2461316.png" alt="200l桶自動(dòng)灌裝機(jī)生產(chǎn)廠歡迎來電溫州奧基智能科技供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>200l桶自動(dòng)灌裝機(jī)生產(chǎn)廠歡迎來電溫州奧基智能科技供應(yīng)</p></a></div><div id="ae8tqcz" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/1387.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/3/11/637004297269091023_cyjqc_1306937.jpg" alt="烏魯木齊市會(huì)務(wù)租車網(wǎng) 車永捷供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊市會(huì)務(wù)租車網(wǎng) 車永捷供應(yīng)</p></a></div><div id="nw8mzgn" class="clear"></div></div><div id="j7tqnub" class="box01 box03"><h3><a href="http://m.cdcfah.com/xw/">***產(chǎn)品資訊</a></h3><ul></ul></div></div></section><div id="sgyq88f" class="page-proshow02"><p class="title">本企業(yè)其它產(chǎn)品 <span style="float:right;"><a >更多>></a></span></p><div id="waxubnp" class="box box-add clearfix"><ul class="box-list"><li><a href="http://m.cdcfah.com/cp/228780.html"><div id="mgtq7js" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543241897858/6369595432418978587567592.jpg" alt="烏魯木齊專業(yè)球墨鑄鐵管銷售廠家錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊專業(yè)球墨鑄鐵管銷售廠家錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/229229.html"><div id="zj8iah2" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543149289467/6369595431492894676091816.jpg" alt="天山區(qū)球墨鑄鐵管哪家好錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>天山區(qū)球墨鑄鐵管哪家好錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/229716.html"><div id="3dah32n" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543241897858/6369595432418978587567592.jpg" alt="米東區(qū)球墨鑄鐵管推薦廠家錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>米東區(qū)球墨鑄鐵管推薦廠家錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/230709.html"><div id="crog3ul" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959637491470029/6369596374914700298502174.jpg" alt="烏魯木齊球墨鑄鐵井蓋哪家好錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊球墨鑄鐵井蓋哪家好錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/230715.html"><div id="8qxzgnz" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543149289467/6369595431492894676091816.jpg" alt="烏魯木齊縣球墨鑄鐵管聯(lián)系方式錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊縣球墨鑄鐵管聯(lián)系方式錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/230716.html"><div id="utldfmt" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636973165956074490/6369731659560744903324287.jpg" alt="烏魯木齊球墨鑄鐵管要多少錢錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊球墨鑄鐵管要多少錢錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/231667.html"><div id="888o2vx" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959637491470029/6369596374914700298502174.jpg" alt="烏魯木齊球墨鑄鐵井蓋價(jià)格錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊球墨鑄鐵井蓋價(jià)格錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/232143.html"><div id="dspr3y8" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959637491470029/6369596374914700298502174.jpg" alt="烏魯木齊球墨鑄鐵井蓋銷售廠家錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊球墨鑄鐵井蓋銷售廠家錦宏皓供應(yīng)</p></a></li></ul></div></div><div id="wvmogip" class="page-proshow02"><p class="title">同類產(chǎn)品推薦 <span><a href="http://m.cdcfah.com/cp/first-_jxjxysb/">更多>></a></span></p><div id="xreqnj2" class="box box-add clearfix"><ul class="box-list"><li><a href="http://m.cdcfah.com/cp/229716.html"><div id="nrjlikm" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543241897858/6369595432418978587567592.jpg" alt="米東區(qū)球墨鑄鐵管推薦廠家錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>米東區(qū)球墨鑄鐵管推薦廠家錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/2859787.html"><div id="ujqxeb2" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543149289467/6369595431492894676091816.jpg" alt="天山區(qū)球墨鑄鐵管價(jià)位多少錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>天山區(qū)球墨鑄鐵管價(jià)位多少錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/791941.html"><div id="89wrtla" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/xdgc123/637304913642236328/5787757.png" alt="東莞空壓管道改造工程歡迎咨詢興鼎工程供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>東莞空壓管道改造工程歡迎咨詢興鼎工程供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/680725.html"><div id="jif3oy3" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543149289467/6369595431492894676091816.jpg" alt="烏魯木齊縣球墨鑄鐵管多少錢錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊縣球墨鑄鐵管多少錢錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/874579.html"><div id="i323dx8" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/xgtflgj/637303391157402344/1858.png" alt="宿遷軟接頭咨詢誠信經(jīng)營無錫鑫廣泰法蘭管件供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>宿遷軟接頭咨詢誠信經(jīng)營無錫鑫廣泰法蘭管件供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/2990824.html"><div id="ae792qc" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/fbdgy/637425917833961858/3608820.jpg" alt="蘇州等離子切割除塵蛇皮軟管材質(zhì) 富佰德供" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州等離子切割除塵蛇皮軟管材質(zhì) 富佰德供</p></a></li><li><a href="http://m.cdcfah.com/cp/230715.html"><div id="laxzbik" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/jhhsm/2019/6/636959543149289467/6369595431492894676091816.jpg" alt="烏魯木齊縣球墨鑄鐵管聯(lián)系方式錦宏皓供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊縣球墨鑄鐵管聯(lián)系方式錦宏皓供應(yīng)</p></a></li><li><a href="http://m.cdcfah.com/cp/3190712.html"><div id="nx7lkw3" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/fbdgy/637425917841432677/9827486.jpg" alt="蘇州等離子切割除塵蛇皮軟管外徑尺寸富佰德供" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州等離子切割除塵蛇皮軟管外徑尺寸富佰德供</p></a></li></ul></div></div></section></section><footer class="footer"><div id="wacubdf" class="container"><p><a href="http://m.cdcfah.com/">首頁</a> | <a >企業(yè)名錄</a> | <a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a> | <a href="http://m.cdcfah.com/zx/">新聞資訊</a> | <a href="http://m.cdcfah.com/xw/">行業(yè)資訊</a> | <a href="http://m.cdcfah.com/zh/">展會(huì)信息</a> | <a href="http://m.cdcfah.com/sitemap.html">網(wǎng)站地圖</a> | </p><p><p><p>b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰??<a target="_blank">?<span style="white-space:normal;text-indent:24px;"><a target="_blank"><span style="font-family:" font-size:13.3333px;text-align:center;white-space:pre-wrap;caret-color:#1e6fff;background-color:#ffffff;"="">滬ICP備18002634號(hào)-32</span></a> </span><br /></a>??<span>??</span></p></p><p style="text-align:center;white-space:normal;"> <br /> </p> <p style="white-space:normal;text-align:center;"> <a target="_blank"></a> </p></p></div></footer> <footer> <a href="http://m.cdcfah.com/" title="六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track id="qgqbi"><label id="qgqbi"></label></track><tbody id="qgqbi"></tbody><legend id="qgqbi"></legend><th id="qgqbi"><button id="qgqbi"></button></th><listing id="qgqbi"><rt id="qgqbi"></rt></listing><sup id="qgqbi"><dd id="qgqbi"><tbody id="qgqbi"></tbody></dd></sup><menu id="qgqbi"><xmp id="qgqbi"></xmp></menu><fieldset id="qgqbi"><acronym id="qgqbi"></acronym></fieldset><wbr id="qgqbi"><mark id="qgqbi"><strong id="qgqbi"></strong></mark></wbr><tbody id="qgqbi"><small id="qgqbi"></small></tbody><label id="qgqbi"><tfoot id="qgqbi"></tfoot></label><div id="qgqbi"><th id="qgqbi"><object id="qgqbi"></object></th></div><listing id="qgqbi"></listing><source id="qgqbi"><ins id="qgqbi"></ins></source><noframes id="qgqbi"></noframes><noscript id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"></tt></strike></noscript><strike id="qgqbi"><rp id="qgqbi"></rp></strike><dl id="qgqbi"></dl><th id="qgqbi"></th><acronym id="qgqbi"></acronym><center id="qgqbi"><input id="qgqbi"><div id="qgqbi"><th id="qgqbi"></th></div></input></center><label id="qgqbi"></label><tr id="qgqbi"><label id="qgqbi"><center id="qgqbi"></center></label></tr><menuitem id="qgqbi"><em id="qgqbi"><legend id="qgqbi"></legend></em></menuitem><pre id="qgqbi"></pre><fieldset id="qgqbi"><address id="qgqbi"><abbr id="qgqbi"><dl id="qgqbi"></dl></abbr></address></fieldset><sup id="qgqbi"><form id="qgqbi"></form></sup><form id="qgqbi"></form> <form id="qgqbi"></form><center id="qgqbi"><rp id="qgqbi"></rp></center><code id="qgqbi"></code><option id="qgqbi"><i id="qgqbi"><tr id="qgqbi"></tr></i></option><address id="qgqbi"></address><pre id="qgqbi"></pre><wbr id="qgqbi"></wbr><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"></bdo></delect></dl><table id="qgqbi"><p id="qgqbi"></p></table><label id="qgqbi"><xmp id="qgqbi"><noscript id="qgqbi"><dl id="qgqbi"></dl></noscript></xmp></label><cite id="qgqbi"></cite><acronym id="qgqbi"><object id="qgqbi"><big id="qgqbi"></big></object></acronym><rp id="qgqbi"></rp><tt id="qgqbi"></tt><output id="qgqbi"></output><table id="qgqbi"><p id="qgqbi"><ruby id="qgqbi"></ruby></p></table><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><u id="qgqbi"></u><bdo id="qgqbi"><tr id="qgqbi"><dfn id="qgqbi"></dfn></tr></bdo><strike id="qgqbi"><font id="qgqbi"></font></strike><s id="qgqbi"></s><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"><pre id="qgqbi"></pre></code></samp></acronym><cite id="qgqbi"></cite><form id="qgqbi"><dl id="qgqbi"><pre id="qgqbi"><label id="qgqbi"></label></pre></dl></form><center id="qgqbi"><rp id="qgqbi"></rp></center><font id="qgqbi"></font><menu id="qgqbi"></menu><small id="qgqbi"><strong id="qgqbi"><sup id="qgqbi"><form id="qgqbi"></form></sup></strong></small><label id="qgqbi"><tfoot id="qgqbi"><em id="qgqbi"></em></tfoot></label><optgroup id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></optgroup><label id="qgqbi"></label><meter id="qgqbi"><noframes id="qgqbi"><i id="qgqbi"><ins id="qgqbi"></ins></i></noframes></meter><kbd id="qgqbi"></kbd><b id="qgqbi"></b><dl id="qgqbi"><delect id="qgqbi"><th id="qgqbi"><span id="qgqbi"></span></th></delect></dl><font id="qgqbi"></font><small id="qgqbi"></small><mark id="qgqbi"></mark><del id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></del><dd id="qgqbi"><ruby id="qgqbi"><menu id="qgqbi"></menu></ruby></dd><th id="qgqbi"><em id="qgqbi"></em></th><abbr id="qgqbi"></abbr><span id="qgqbi"><kbd id="qgqbi"><dfn id="qgqbi"><sub id="qgqbi"></sub></dfn></kbd></span><ins id="qgqbi"></ins><s id="qgqbi"><progress id="qgqbi"></progress></s><th id="qgqbi"></th><bdo id="qgqbi"></bdo><blockquote id="qgqbi"></blockquote><b id="qgqbi"></b><nav id="qgqbi"><div id="qgqbi"></div></nav> <meter id="qgqbi"><dfn id="qgqbi"><source id="qgqbi"><tr id="qgqbi"></tr></source></dfn></meter><tfoot id="qgqbi"></tfoot><big id="qgqbi"><pre id="qgqbi"><s id="qgqbi"></s></pre></big><small id="qgqbi"></small><table id="qgqbi"><td id="qgqbi"><sup id="qgqbi"></sup></td></table><form id="qgqbi"><tr id="qgqbi"></tr></form><tr id="qgqbi"><fieldset id="qgqbi"><thead id="qgqbi"><strong id="qgqbi"></strong></thead></fieldset></tr><ul id="qgqbi"></ul><center id="qgqbi"><optgroup id="qgqbi"><div id="qgqbi"></div></optgroup></center><rp id="qgqbi"><input id="qgqbi"><blockquote id="qgqbi"><th id="qgqbi"></th></blockquote></input></rp><tbody id="qgqbi"></tbody><form id="qgqbi"><u id="qgqbi"><fieldset id="qgqbi"></fieldset></u></form><rp id="qgqbi"></rp><b id="qgqbi"><small id="qgqbi"></small></b><dd id="qgqbi"></dd><kbd id="qgqbi"></kbd><code id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"></ul></pre></code><strong id="qgqbi"></strong><cite id="qgqbi"><sub id="qgqbi"></sub></cite><object id="qgqbi"></object><dfn id="qgqbi"></dfn><pre id="qgqbi"></pre><xmp id="qgqbi"></xmp><pre id="qgqbi"></pre><sup id="qgqbi"><form id="qgqbi"><cite id="qgqbi"></cite></form></sup><tt id="qgqbi"><tbody id="qgqbi"><acronym id="qgqbi"><b id="qgqbi"></b></acronym></tbody></tt><input id="qgqbi"></input><acronym id="qgqbi"><samp id="qgqbi"><code id="qgqbi"></code></samp></acronym><nobr id="qgqbi"><pre id="qgqbi"><ul id="qgqbi"><strong id="qgqbi"></strong></ul></pre></nobr><menuitem id="qgqbi"><em id="qgqbi"><wbr id="qgqbi"><mark id="qgqbi"></mark></wbr></em></menuitem><dl id="qgqbi"></dl><rp id="qgqbi"><input id="qgqbi"><div id="qgqbi"></div></input></rp><div id="qgqbi"><button id="qgqbi"><pre id="qgqbi"><meter id="qgqbi"></meter></pre></button></div><address id="qgqbi"></address><thead id="qgqbi"><abbr id="qgqbi"><sup id="qgqbi"></sup></abbr></thead><em id="qgqbi"></em><ul id="qgqbi"><listing id="qgqbi"><wbr id="qgqbi"></wbr></listing></ul><listing id="qgqbi"></listing><wbr id="qgqbi"></wbr><thead id="qgqbi"><abbr id="qgqbi"><strike id="qgqbi"></strike></abbr></thead><menuitem id="qgqbi"></menuitem><pre id="qgqbi"></pre><pre id="qgqbi"></pre><dl id="qgqbi"><delect id="qgqbi"><bdo id="qgqbi"><span id="qgqbi"></span></bdo></delect></dl><ruby id="qgqbi"></ruby><pre id="qgqbi"><strike id="qgqbi"><tt id="qgqbi"><i id="qgqbi"></i></tt></strike></pre><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset><cite id="qgqbi"><sub id="qgqbi"></sub></cite><optgroup id="qgqbi"></optgroup><fieldset id="qgqbi"><address id="qgqbi"></address></fieldset></div> <div class="friend-links"> <a href="http://www.bjcldhs.com">亚洲另类在线欧美制服</a> <a href="http://www.ahlxmyzz.com">色七七在线综合视频</a> <a href="http://www.junzishuo.com">亚洲中文字幕久久精品91</a> <a href="http://www.yhzblp.com">国产精品自在在线免费</a> <a href="http://www.zwlkg.com">久久国产乱子伦精品免费午夜</a> </div> </footer> <script> (function(){ var bp = document.createElement('script'); var curProtocol = window.location.protocol.split(':')[0]; if (curProtocol === 'https') { bp.src = 'https://zz.bdstatic.com/linksubmit/push.js'; } else { bp.src = 'http://push.zhanzhang.baidu.com/push.js'; } var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(bp, s); })(); </script> </body><div id="vqfhc" class="pl_css_ganrao" style="display: none;"><small id="vqfhc"><strong id="vqfhc"></strong></small><nobr id="vqfhc"></nobr><pre id="vqfhc"><strike id="vqfhc"><option id="vqfhc"><source id="vqfhc"></source></option></strike></pre><listing id="vqfhc"></listing><i id="vqfhc"></i><output id="vqfhc"><table id="vqfhc"><dd id="vqfhc"><ruby id="vqfhc"></ruby></dd></table></output><th id="vqfhc"><span id="vqfhc"></span></th><ol id="vqfhc"></ol><th id="vqfhc"><span id="vqfhc"></span></th><div id="vqfhc"><th id="vqfhc"></th></div><menu id="vqfhc"></menu><source id="vqfhc"><tr id="vqfhc"></tr></source><pre id="vqfhc"><strike id="vqfhc"><option id="vqfhc"><i id="vqfhc"></i></option></strike></pre><samp id="vqfhc"><track id="vqfhc"><pre id="vqfhc"></pre></track></samp><dfn id="vqfhc"></dfn><i id="vqfhc"></i><rp id="vqfhc"><dl id="vqfhc"></dl></rp><dd id="vqfhc"><ruby id="vqfhc"><ol id="vqfhc"></ol></ruby></dd><progress id="vqfhc"></progress><object id="vqfhc"><meter id="vqfhc"><option id="vqfhc"></option></meter></object><dl id="vqfhc"><small id="vqfhc"><bdo id="vqfhc"></bdo></small></dl><em id="vqfhc"></em><label id="vqfhc"></label><abbr id="vqfhc"><dl id="vqfhc"><font id="vqfhc"></font></dl></abbr><ins id="vqfhc"><optgroup id="vqfhc"><center id="vqfhc"><rp id="vqfhc"></rp></center></optgroup></ins><optgroup id="vqfhc"></optgroup><form id="vqfhc"><ul id="vqfhc"><var id="vqfhc"><address id="vqfhc"></address></var></ul></form><thead id="vqfhc"><abbr id="vqfhc"><strike id="vqfhc"></strike></abbr></thead><tbody id="vqfhc"></tbody><listing id="vqfhc"><rt id="vqfhc"></rt></listing><ruby id="vqfhc"></ruby><pre id="vqfhc"></pre><listing id="vqfhc"></listing><legend id="vqfhc"></legend><legend id="vqfhc"></legend><ins id="vqfhc"><label id="vqfhc"><thead id="vqfhc"></thead></label></ins><dfn id="vqfhc"></dfn><option id="vqfhc"><i id="vqfhc"><tr id="vqfhc"><abbr id="vqfhc"></abbr></tr></i></option><tbody id="vqfhc"><noframes id="vqfhc"><source id="vqfhc"><tr id="vqfhc"></tr></source></noframes></tbody><pre id="vqfhc"><meter id="vqfhc"><option id="vqfhc"><source id="vqfhc"></source></option></meter></pre><li id="vqfhc"></li><address id="vqfhc"><kbd id="vqfhc"></kbd></address><xmp id="vqfhc"></xmp><video id="vqfhc"></video><strong id="vqfhc"></strong><form id="vqfhc"></form><font id="vqfhc"></font><blockquote id="vqfhc"><bdo id="vqfhc"></bdo></blockquote><rt id="vqfhc"></rt><code id="vqfhc"><pre id="vqfhc"></pre></code><thead id="vqfhc"></thead><legend id="vqfhc"></legend><source id="vqfhc"></source><rt id="vqfhc"></rt><b id="vqfhc"></b><form id="vqfhc"><legend id="vqfhc"></legend></form><button id="vqfhc"></button><th id="vqfhc"><rt id="vqfhc"><del id="vqfhc"><cite id="vqfhc"></cite></del></rt></th><dfn id="vqfhc"></dfn><rp id="vqfhc"><input id="vqfhc"><blockquote id="vqfhc"></blockquote></input></rp><thead id="vqfhc"></thead><dl id="vqfhc"><small id="vqfhc"></small></dl><progress id="vqfhc"></progress><track id="vqfhc"></track><legend id="vqfhc"></legend><acronym id="vqfhc"></acronym><pre id="vqfhc"></pre><nav id="vqfhc"><div id="vqfhc"><acronym id="vqfhc"></acronym></div></nav><dl id="vqfhc"></dl><center id="vqfhc"><abbr id="vqfhc"><sup id="vqfhc"></sup></abbr></center><menuitem id="vqfhc"></menuitem><strike id="vqfhc"><font id="vqfhc"></font></strike><div id="vqfhc"></div><center id="vqfhc"><rp id="vqfhc"></rp></center><strong id="vqfhc"></strong><xmp id="vqfhc"></xmp><form id="vqfhc"></form><object id="vqfhc"><del id="vqfhc"></del></object><rp id="vqfhc"><input id="vqfhc"><div id="vqfhc"><th id="vqfhc"></th></div></input></rp><track id="vqfhc"></track><sup id="vqfhc"><dd id="vqfhc"><tbody id="vqfhc"><ol id="vqfhc"></ol></tbody></dd></sup><abbr id="vqfhc"><strike id="vqfhc"></strike></abbr><var id="vqfhc"></var><tbody id="vqfhc"></tbody><form id="vqfhc"></form><legend id="vqfhc"></legend><pre id="vqfhc"><nav id="vqfhc"><dd id="vqfhc"></dd></nav></pre><bdo id="vqfhc"><tr id="vqfhc"></tr></bdo><legend id="vqfhc"></legend><table id="vqfhc"><p id="vqfhc"><ruby id="vqfhc"><label id="vqfhc"></label></ruby></p></table><pre id="vqfhc"></pre><meter id="vqfhc"><dfn id="vqfhc"><form id="vqfhc"></form></dfn></meter><kbd id="vqfhc"></kbd><progress id="vqfhc"></progress><u id="vqfhc"></u><ruby id="vqfhc"></ruby><table id="vqfhc"></table><small id="vqfhc"></small><strong id="vqfhc"></strong><video id="vqfhc"><ol id="vqfhc"><samp id="vqfhc"></samp></ol></video><output id="vqfhc"></output><button id="vqfhc"></button><em id="vqfhc"></em><center id="vqfhc"></center><code id="vqfhc"></code><acronym id="vqfhc"><b id="vqfhc"></b></acronym><b id="vqfhc"><legend id="vqfhc"><dfn id="vqfhc"><table id="vqfhc"></table></dfn></legend></b><address id="vqfhc"></address><output id="vqfhc"><table id="vqfhc"><font id="vqfhc"><li id="vqfhc"></li></font></table></output><abbr id="vqfhc"><strike id="vqfhc"><output id="vqfhc"></output></strike></abbr><big id="vqfhc"></big><u id="vqfhc"></u><output id="vqfhc"><table id="vqfhc"><font id="vqfhc"></font></table></output><input id="vqfhc"></input><dd id="vqfhc"><ruby id="vqfhc"></ruby></dd><label id="vqfhc"><em id="vqfhc"></em></label><button id="vqfhc"></button><pre id="vqfhc"><strike id="vqfhc"><option id="vqfhc"><i id="vqfhc"></i></option></strike></pre><cite id="vqfhc"><sub id="vqfhc"><optgroup id="vqfhc"></optgroup></sub></cite><sup id="vqfhc"><form id="vqfhc"><legend id="vqfhc"><center id="vqfhc"></center></legend></form></sup><thead id="vqfhc"><strong id="vqfhc"></strong></thead><em id="vqfhc"></em><table id="vqfhc"></table><acronym id="vqfhc"><menu id="vqfhc"><big id="vqfhc"></big></menu></acronym><strong id="vqfhc"></strong><strong id="vqfhc"></strong><listing id="vqfhc"></listing><ul id="vqfhc"><listing id="vqfhc"><wbr id="vqfhc"><kbd id="vqfhc"></kbd></wbr></listing></ul><menuitem id="vqfhc"></menuitem><nobr id="vqfhc"><s id="vqfhc"><ul id="vqfhc"></ul></s></nobr><listing id="vqfhc"></listing><sub id="vqfhc"><li id="vqfhc"><th id="vqfhc"><em id="vqfhc"></em></th></li></sub><dl id="vqfhc"><small id="vqfhc"></small></dl><tt id="vqfhc"></tt><i id="vqfhc"></i><nobr id="vqfhc"><s id="vqfhc"><ul id="vqfhc"><listing id="vqfhc"></listing></ul></s></nobr><p id="vqfhc"></p><center id="vqfhc"><rp id="vqfhc"></rp></center><listing id="vqfhc"><wbr id="vqfhc"><mark id="vqfhc"><strong id="vqfhc"></strong></mark></wbr></listing><label id="vqfhc"><progress id="vqfhc"></progress></label><sup id="vqfhc"><form id="vqfhc"></form></sup><button id="vqfhc"></button><font id="vqfhc"></font><listing id="vqfhc"></listing><button id="vqfhc"></button><strong id="vqfhc"><sup id="vqfhc"><form id="vqfhc"><legend id="vqfhc"></legend></form></sup></strong><sup id="vqfhc"><form id="vqfhc"></form></sup><legend id="vqfhc"></legend><b id="vqfhc"></b></div></html>