浙江錐形封頭生產(chǎn)制造廠家無錫國鑫封頭供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="封頭為了保證加工材料的質(zhì)量，一定要加強對材料的檢驗工作，浙江錐形封頭生產(chǎn)制造廠家，從而確保它能完全溶固。這樣對橢圓不銹鋼封頭封頭固溶的處理了可以增強它的恢復力，從而提高橢圓封頭的焊接質(zhì)量。其實焊接工藝也會影響到封頭的性能，所以要選擇合適的焊"><meta name="keywords" content="浙江錐形封頭生產(chǎn)制造廠家,封頭"><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="yqbgj" class="pl_css_ganrao" style="display: none;"><sup id="yqbgj"><code id="yqbgj"><abbr id="yqbgj"><samp id="yqbgj"></samp></abbr></code></sup><mark id="yqbgj"><legend id="yqbgj"></legend></mark><listing id="yqbgj"><rt id="yqbgj"></rt></listing><listing id="yqbgj"></listing><noframes id="yqbgj"></noframes><em id="yqbgj"><ruby id="yqbgj"><progress id="yqbgj"></progress></ruby></em><output id="yqbgj"><table id="yqbgj"><thead id="yqbgj"><ruby id="yqbgj"></ruby></thead></table></output><sub id="yqbgj"></sub><cite id="yqbgj"><sub id="yqbgj"><optgroup id="yqbgj"></optgroup></sub></cite><output id="yqbgj"></output><thead id="yqbgj"></thead><samp id="yqbgj"></samp><blockquote id="yqbgj"><th id="yqbgj"></th></blockquote><div id="yqbgj"><button id="yqbgj"><object id="yqbgj"></object></button></div><del id="yqbgj"><code id="yqbgj"><form id="yqbgj"><u id="yqbgj"></u></form></code></del><pre id="yqbgj"></pre><blockquote id="yqbgj"><th id="yqbgj"></th></blockquote><strike id="yqbgj"><font id="yqbgj"></font></strike><em id="yqbgj"><rt id="yqbgj"><kbd id="yqbgj"></kbd></rt></em><menuitem id="yqbgj"></menuitem><dfn id="yqbgj"><sub id="yqbgj"><optgroup id="yqbgj"></optgroup></sub></dfn><source id="yqbgj"></source><font id="yqbgj"></font><thead id="yqbgj"><abbr id="yqbgj"><strike id="yqbgj"><font id="yqbgj"></font></strike></abbr></thead><ul id="yqbgj"></ul><font id="yqbgj"></font><del id="yqbgj"><nobr id="yqbgj"><form id="yqbgj"><ul id="yqbgj"></ul></form></nobr></del><output id="yqbgj"></output><mark id="yqbgj"></mark><ol id="yqbgj"><xmp id="yqbgj"></xmp></ol><video id="yqbgj"></video><dfn id="yqbgj"><td id="yqbgj"><tr id="yqbgj"><label id="yqbgj"></label></tr></td></dfn><menuitem id="yqbgj"><em id="yqbgj"><wbr id="yqbgj"><mark id="yqbgj"></mark></wbr></em></menuitem><style id="yqbgj"><tbody id="yqbgj"></tbody></style><tbody id="yqbgj"></tbody><listing id="yqbgj"></listing><sup id="yqbgj"></sup><s id="yqbgj"><progress id="yqbgj"><listing id="yqbgj"></listing></progress></s><address id="yqbgj"></address><kbd id="yqbgj"></kbd><table id="yqbgj"><p id="yqbgj"></p></table><rp id="yqbgj"><dl id="yqbgj"></dl></rp><delect id="yqbgj"></delect><legend id="yqbgj"></legend><video id="yqbgj"><menu id="yqbgj"><samp id="yqbgj"><track id="yqbgj"></track></samp></menu></video><dfn id="yqbgj"><td id="yqbgj"><ins id="yqbgj"><th id="yqbgj"></th></ins></td></dfn><tt id="yqbgj"><tbody id="yqbgj"><tr id="yqbgj"></tr></tbody></tt><del id="yqbgj"></del><center id="yqbgj"></center></div><header class="header container"><span id="g79jqcr" 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="hbwfbl2" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務平臺 </span><div id="wwrnzv9" class="searchbox"><div id="fdsdf3o" class="searchLt"><div id="yhtk3xk" 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</a></div><div id="yh887dt" class="clearfix searchWrap"><div id="n3rmver" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="ko7qeig" 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</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="wfjjvm9" class="twoCol"><div id="3yprcev" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://m.cdcfah.com/">首頁?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://m.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://m.cdcfah.com/cp/second-wjgj_guanjianbi/">管件</a>?<a href="http://m.cdcfah.com/cp/third-guanjianbi_fengtou/">封頭</a>?浙江錐形封頭生產(chǎn)制造廠家無錫國鑫封頭供應</p><div id="8tbczpn" class="leftbox clearfix"><h1>浙江錐形封頭生產(chǎn)制造廠家無錫國鑫封頭供應</h1><div id="8f8szqg" class="proBig"><div id="8znulnz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178464017738/4893118.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="l7tjvmd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178464017738/4893118.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="aj8iuaw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>浙江錐形封頭生產(chǎn)制造廠家,封頭</p><p><span>***更新：</span>2020-12-17 06:28:17</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="3gnjfrn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫國鑫封頭制造有限公司</a></p><p><span>聯(lián)系人：</span>魏峰潔</p><p><span>郵箱: </span>239703@qq.com</p><p><span>電話: </span>13861726550</p><p><span>傳真: </span>0510_83898088</p><p><span>網(wǎng)址: </span>http://www.wxgxft.com</p><p><span>手機: </span>0510-83897088</p><p><span>地址: </span>玉祁街道曙光村</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="nwahdug" class="page-proshow02"><p class="title">詳細說明</p><div id="re3urne" class="box"><p><p style="text-indent:25px">封頭為了保證加工材料的質(zhì)量，一定要加強對材料的檢驗工作，浙江錐形封頭生產(chǎn)制造廠家，從而確保它能完全溶固。這樣對橢圓不銹鋼封頭封頭固溶的處理了可以增強它的恢復力，從而提高橢圓封頭的焊接質(zhì)量。其實焊接工藝也會影響到封頭的性能，所以要選擇合適的焊接工藝，使得封頭的接頭性能受到的影響會盡量小一點。不銹鋼封頭使用前需要進行表面處理，比如說在滲氮前用細砂在0.15~0，浙江錐形封頭生產(chǎn)制造廠家.25MPa的壓力下進行噴砂處理，直至表面呈暗灰色，去除表面灰塵后立即進爐。滲氮前需對不銹鋼封頭進行磷化處理，浙江錐形封頭生產(chǎn)制造廠家。封頭的尺寸大小不同，使封頭所用的原料多少也會有所不同，所以封頭的價格會隨著尺寸的增大而增加。浙江錐形封頭生產(chǎn)制造廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江錐形封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178464017738/4893118.png"></div><p style="text-indent:25px">在封頭的邊緣處就會產(chǎn)生一定的彎曲應力和薄膜應力，也就是我們所說的邊緣應力。所以為了避免邊緣應力與焊接應力相重合，通常均帶有直邊段。而半球形結(jié)構(gòu)設計通常不采用直邊，這是為什么呢？要知道，在這樣的產(chǎn)品中，內(nèi)壓作用下其應力狀況與球殼是一樣的。由于與球冠公式是按球冠與相連接的圓筒體等厚導出的，因此要求相連接的圓筒不小于球冠厚度。此外還有不少用戶比較疑惑，相比較來說，其中半球形結(jié)構(gòu)的封頭產(chǎn)品受力效果好，那么為什么一般的中、低壓容器很少使用。安徽皮革轉(zhuǎn)鼓設備封頭報價封頭可以加快閥桿的移動速度,提升閥門的線性度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江錐形封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178099889202/9986177.png"></div><p style="text-indent:25px">封頭普遍應用于制藥，化工，原子能，航天，機械它等方面。日常生活中經(jīng)常碰到，比如太陽能上兩側(cè)就是用的封頭，又比如，油罐的兩側(cè)也是使用的封頭等，可見不銹鋼封頭在我們生活，工作中是無處不在的。因此，維護好封頭才是硬道理。封頭的材質(zhì)分為碳鋼，合金，不銹鋼，首先為您介紹下不銹鋼封頭的維護，不銹鋼屬亞穩(wěn)定奧氏體不銹鋼，在450-850oC溫度范圍內(nèi)加熱時，鋼材中的碳和鉻結(jié)合析出碳化鉻。因為碳化鉻四周的含鉻量極度減少，形成貧鉻區(qū)，容易發(fā)生腐蝕。特別是焊接加工的焊道兩側(cè)區(qū)域和熱成形不銹鋼封頭容易發(fā)生這種現(xiàn)象。</p><p style="text-indent:25px">不銹鋼封頭應該盡量選用熱成形，如成型溫度約為300度-400度。高溫熱成形時工件加熱溫度可以提高到大約650度，但不應該超越800度。冷成形后的熱校形溫度為100-350度。不銹鋼封頭的熱成形溫度在600度之上時，任務外表應該選用耐高溫涂料或許其他的防護辦法以避免外表氧化污染；熱成形溫度為500-600度時，由封頭制作單位根據(jù)狀況斷定能否需求外表高溫的防護。必要時應留有鏟除封頭外表氧化層的裕量。不銹鋼封頭在加熱爐內(nèi)的氣氛呈中性或許弱氧化性，加熱的火焰不宜和加工件直接觸摸。鋁封頭成型時，加熱溫度普通不宜超越420度，當式件溫度降至300度以下時，不適宜持續(xù)熱成形。我們大多數(shù)使用不銹鋼封頭，都是要求能夠比較長時間的將建筑物的外貌能夠長期進行保持。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江錐形封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178640950369/9635590.png"></div><p style="text-indent:25px">容器封頭都有其加工特色和工藝性，那么在容器封頭中拉伸件的特色和工藝性是怎么樣的呢？下面簡單說一下 1、容器封頭的各個部分的尺度比例要合適，一般淺拉伸件比較好加工，如果遇到有凸緣和深度較大的容器封頭時，我們是需要較多的拉伸次數(shù)的，這也增加了生產(chǎn)成本，2、在容器封頭限制中，其形狀應盡量簡單，并且對稱；主要是因為，軸對此的拉伸件，在圓周方向上是有均勻變形的，并且簡單容器封頭也是好加工的；3、在拉伸容器封頭中，其圓角半徑也要適宜，拉伸件的底與壁、凸緣與壁等都要滿足一定的要求，并且恰當?shù)脑龃髨A角半徑，還能夠有利于成形；4、要確保容器封頭的厚度均勻，其上面孔的位置也要合理。封頭的作用在于對金屬板材施加外力，讓金屬板材發(fā)生變形從而使尺寸和形狀發(fā)生改變，性能也能得到改善。無錫橢圓封頭生產(chǎn)廠家直銷</p><p style="text-indent:25px">球形封頭的受力比橢圓形封頭和碟形封頭好。浙江錐形封頭生產(chǎn)制造廠家</p><p style="text-indent:25px">大家聽說過不銹鋼封頭嘛？其實不銹鋼封頭有比較多的優(yōu)點，但是，和其他的封頭一樣，它也是需要我們?nèi)ビ眯暮亲o，用心去維護的。那么，接下來就讓我來說一說有關不銹鋼封頭的維護知識和性能介紹吧！首先，不銹鋼酸洗不能用鹽酸等還原酸。需要嚴格遵守《容規(guī)》規(guī)定的介質(zhì)相容性。然后要防止不銹鋼橢圓封頭表面的磕碰劃傷。防止與碳素鋼直接接觸，避免鐵離子污染。不在露天存放，防雨淋。避免強制組焊。結(jié)構(gòu)設計要防止拘束應力過大。橢圓封頭與筒體組焊后，要及時清理焊縫、熱影響區(qū)及周圍的焊渣、飛濺、污染物，并進行PT檢查和表面酸洗。大家知道不銹鋼封頭的性能嘛？不銹鋼封頭有比較多優(yōu)越性，其中的抗腐蝕特點尤為突出。不銹鋼就是在鐵中加有鉻、鎳兩元素相配合組成鉻鎳一種抗銹的鋼鐵制品，采用不銹鋼加工這種材料加工的成絲網(wǎng)稱為"不銹鋼封頭，封頭也是不銹鋼的重要組成部分。在此種不銹鋼中加入大量鎳是為了得到單一的奧氏體組織，從而提高其耐蝕性和工藝性。在常溫和低溫下有比較強的塑性和韌性，不具磁性，有較好的抗晶間腐蝕性能。浙江錐形封頭生產(chǎn)制造廠家</p><p style="text-indent:25px">無錫國鑫封頭制造有限公司總部位于玉祁街道曙光工業(yè)園，是一家主營封頭、橢圓封頭、碟形封頭、球冠封頭、半球封頭、錐形封頭、爐臺殼體、平底封頭、攪拌車封頭、**車封頭、SF/SS 雙層油罐封頭、方圓封頭、鴨蛋封頭及雙相鋼、鋁鎂合金、鈦合金等特種材料封頭。主要運用于壓力容器設備、制藥設備、環(huán)保設備、罐體運輸車輛等行業(yè)的公司。國鑫封頭作為主營封頭、橢圓封頭、碟形封頭、球冠封頭、半球封頭、錐形封頭、爐臺殼體、平底封頭、攪拌車封頭、**車封頭、SF/SS 雙層油罐封頭、方圓封頭、鴨蛋封頭及雙相鋼、鋁鎂合金、鈦合金等特種材料封頭。主要運用于壓力容器設備、制藥設備、環(huán)保設備、罐體運輸車輛等行業(yè)的企業(yè)之一，為客戶提供良好的封頭，不銹鋼封頭，碳鋼封頭，鋁封頭。國鑫封頭致力于把技術上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。國鑫封頭創(chuàng)始人魏國中，始終關注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2440338.html</p></div></div></div></div></div><div id="tra2ckr" class="page-right twoColRt"><div id="ud23cof" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bqzxtea" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="hoq8m83" 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有幾個科目真誠推薦寧波助學商務信息咨詢供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>寧波寧海直接考A2有幾個科目真誠推薦寧波助學商務信息咨詢供應</p></a></div><div id="ofbfg7x" 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桶自動灌裝機生產(chǎn)廠歡迎來電溫州奧基智能科技供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>200l桶自動灌裝機生產(chǎn)廠歡迎來電溫州奧基智能科技供應</p></a></div><div id="8xta278" 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="烏魯木齊市會務租車網(wǎng) 車永捷供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊市會務租車網(wǎng) 車永捷供應</p></a></div><div id="th3izvl" class="clear"></div></div><div id="gpwnekr" 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="arse829" 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="lxqhl8p" class="box box-add clearfix"><ul class="box-list"><li><a href="http://m.cdcfah.com/cp/1719723.html"><div id="jvlargu" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" alt="徐州Q235B封頭廠商無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>徐州Q235B封頭廠商無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1719724.html"><div id="w8dsyc7" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179742369306/9282842.png" alt="南通污水處理設備封頭無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通污水處理設備封頭無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1719725.html"><div id="232bspk" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177952995583/8456246.png" alt="連云港臥式儲罐封頭生產(chǎn)廠家無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>連云港臥式儲罐封頭生產(chǎn)廠家無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1719726.html"><div id="cjamdug" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179465046692/7774486.png" alt="徐州平底封頭生產(chǎn)廠家電話無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>徐州平底封頭生產(chǎn)廠家電話無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1721993.html"><div id="zdkw2oa" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179721099912/4809230.png" alt="安徽分散設備封頭企業(yè) 無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>安徽分散設備封頭企業(yè) 無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1724174.html"><div id="jsjea3e" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179614381692/2265333.png" alt="蘇州印染機械封頭廠制造無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州印染機械封頭廠制造無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1724175.html"><div id="rartu8v" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png" alt="南京鋼包封頭無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京鋼包封頭無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1726469.html"><div id="hvu78u8" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179041563010/3671152.png" alt="南通雙氧水設備封頭加工廠無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通雙氧水設備封頭加工廠無錫國鑫封頭供應</p></a></li></ul></div></div><div id="etkbnek" class="page-proshow02"><p class="title">同類產(chǎn)品推薦 <span><a href="http://m.cdcfah.com/cp/first-_wjgj/">更多>></a></span></p><div id="m24sulm" class="box box-add clearfix"><ul class="box-list"><li><a href="http://m.cdcfah.com/cp/1789953.html"><div id="gd3c8ra" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177975553890/7890057.png" alt="蘇州球冠形封頭加工無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州球冠形封頭加工無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1724174.html"><div id="8kf8ecb" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179614381692/2265333.png" alt="蘇州印染機械封頭廠制造無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州印染機械封頭廠制造無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/3198607.html"><div id="8agsjfv" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png" alt="蘇州鋼包封頭廠家無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州鋼包封頭廠家無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1719726.html"><div id="hb2qmsj" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179465046692/7774486.png" alt="徐州平底封頭生產(chǎn)廠家電話無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>徐州平底封頭生產(chǎn)廠家電話無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1719723.html"><div id="sbiplmy" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" alt="徐州Q235B封頭廠商無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>徐州Q235B封頭廠商無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1726469.html"><div id="3ht33p8" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179041563010/3671152.png" alt="南通雙氧水設備封頭加工廠無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通雙氧水設備封頭加工廠無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1724175.html"><div id="3mndukw" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png" alt="南京鋼包封頭無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京鋼包封頭無錫國鑫封頭供應</p></a></li><li><a href="http://m.cdcfah.com/cp/1738753.html"><div id="kxrs883" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179465046692/7774486.png" alt="南京水處理設備封頭生產(chǎn)廠家直銷無錫國鑫封頭供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京水處理設備封頭生產(chǎn)廠家直銷無錫國鑫封頭供應</p></a></li></ul></div></div></section></section><footer class="footer"><div id="gdpamd2" 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</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電子商務平臺【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-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="3r88t" class="pl_css_ganrao" style="display: none;"><pre id="3r88t"></pre><rt id="3r88t"></rt><ins id="3r88t"><optgroup id="3r88t"><strike id="3r88t"><rp id="3r88t"></rp></strike></optgroup></ins><font id="3r88t"></font><tt id="3r88t"><tbody id="3r88t"><tr id="3r88t"></tr></tbody></tt><video id="3r88t"></video><form id="3r88t"><u id="3r88t"></u></form><sup id="3r88t"></sup><legend id="3r88t"></legend><rp id="3r88t"><dl id="3r88t"></dl></rp><table id="3r88t"></table><legend id="3r88t"></legend><xmp id="3r88t"></xmp><strong id="3r88t"></strong><th id="3r88t"><em id="3r88t"><rt id="3r88t"></rt></em></th><code id="3r88t"><dfn id="3r88t"></dfn></code><label id="3r88t"></label><dl id="3r88t"></dl><nav id="3r88t"><div id="3r88t"><acronym id="3r88t"></acronym></div></nav><ol id="3r88t"></ol><nobr id="3r88t"><s id="3r88t"><menuitem id="3r88t"><listing id="3r88t"></listing></menuitem></s></nobr><u id="3r88t"></u><optgroup id="3r88t"></optgroup><meter id="3r88t"><dfn id="3r88t"></dfn></meter><track id="3r88t"></track><div id="3r88t"><th id="3r88t"></th></div><legend id="3r88t"><center id="3r88t"></center></legend><bdo id="3r88t"><span id="3r88t"><dfn id="3r88t"></dfn></span></bdo><video id="3r88t"><ol id="3r88t"><b id="3r88t"></b></ol></video><bdo id="3r88t"><pre id="3r88t"></pre></bdo><legend id="3r88t"></legend><bdo id="3r88t"><span id="3r88t"><optgroup id="3r88t"></optgroup></span></bdo><address id="3r88t"></address><label id="3r88t"><tfoot id="3r88t"><em id="3r88t"></em></tfoot></label><noframes id="3r88t"></noframes><i id="3r88t"></i><big id="3r88t"></big><center id="3r88t"></center><source id="3r88t"><ul id="3r88t"></ul></source><small id="3r88t"></small><strike id="3r88t"><center id="3r88t"><nav id="3r88t"><div id="3r88t"></div></nav></center></strike><tt id="3r88t"></tt><optgroup id="3r88t"></optgroup><div id="3r88t"></div><form id="3r88t"><u id="3r88t"><thead id="3r88t"></thead></u></form><center id="3r88t"></center><fieldset id="3r88t"><address id="3r88t"><strong id="3r88t"><dl id="3r88t"></dl></strong></address></fieldset><acronym id="3r88t"><samp id="3r88t"></samp></acronym><output id="3r88t"><table id="3r88t"><dd id="3r88t"><ruby id="3r88t"></ruby></dd></table></output><tt id="3r88t"><tbody id="3r88t"><tr id="3r88t"><b id="3r88t"></b></tr></tbody></tt><video id="3r88t"><ol id="3r88t"><samp id="3r88t"></samp></ol></video><code id="3r88t"></code><blockquote id="3r88t"></blockquote><strong id="3r88t"></strong><progress id="3r88t"></progress><label id="3r88t"><xmp id="3r88t"></xmp></label><sup id="3r88t"><font id="3r88t"><pre id="3r88t"></pre></font></sup><tt id="3r88t"></tt><font id="3r88t"><li id="3r88t"></li></font><optgroup id="3r88t"><fieldset id="3r88t"><thead id="3r88t"><strong id="3r88t"></strong></thead></fieldset></optgroup><optgroup id="3r88t"></optgroup><ins id="3r88t"></ins><p id="3r88t"></p><wbr id="3r88t"></wbr><strong id="3r88t"></strong><xmp id="3r88t"></xmp><mark id="3r88t"></mark><tbody id="3r88t"></tbody><pre id="3r88t"><u id="3r88t"></u></pre><kbd id="3r88t"><dl id="3r88t"><sub id="3r88t"><label id="3r88t"></label></sub></dl></kbd><video id="3r88t"></video><strong id="3r88t"></strong><form id="3r88t"></form><span id="3r88t"></span><sup id="3r88t"><font id="3r88t"></font></sup><meter id="3r88t"></meter><acronym id="3r88t"><b id="3r88t"><code id="3r88t"></code></b></acronym><small id="3r88t"><p id="3r88t"><sup id="3r88t"><optgroup id="3r88t"></optgroup></sup></p></small><menuitem id="3r88t"></menuitem><em id="3r88t"></em><i id="3r88t"><ins id="3r88t"><var id="3r88t"></var></ins></i><abbr id="3r88t"></abbr><sup id="3r88t"><font id="3r88t"><pre id="3r88t"></pre></font></sup><sup id="3r88t"></sup><listing id="3r88t"></listing><source id="3r88t"></source><tr id="3r88t"><fieldset id="3r88t"><acronym id="3r88t"></acronym></fieldset></tr><big id="3r88t"><track id="3r88t"><pre id="3r88t"><delect id="3r88t"></delect></pre></track></big><form id="3r88t"></form><address id="3r88t"></address><video id="3r88t"><object id="3r88t"></object></video><rp id="3r88t"></rp><div id="3r88t"></div><source id="3r88t"></source><th id="3r88t"></th><input id="3r88t"></input><center id="3r88t"></center><legend id="3r88t"></legend><center id="3r88t"><abbr id="3r88t"><strike id="3r88t"><font id="3r88t"></font></strike></abbr></center><progress id="3r88t"><button id="3r88t"></button></progress></div></html>