上海錐形封頭制作廠無錫國(guó)鑫封頭供應(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="封頭產(chǎn)品的原材料，是確保產(chǎn)品質(zhì)量的一相底子。本規(guī)范既包容了按規(guī)則規(guī)劃（與JB150配套）的封頭，也包容了按剖析規(guī)劃（與JB4732配套）的封頭，在我國(guó)初次完成了對(duì)鋼制壓力容器用封頭的一致質(zhì)量要求。大型高壓封頭出產(chǎn)廠家產(chǎn)品的規(guī)劃、原材料的選料"><meta name="keywords" content="上海錐形封頭制作廠,封頭"><link rel="canonical" href="http://www.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://www.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="10oxu" class="pl_css_ganrao" style="display: none;"><em id="10oxu"></em><legend id="10oxu"><style id="10oxu"></style></legend><dfn id="10oxu"><rp id="10oxu"><del id="10oxu"><center id="10oxu"></center></del></rp></dfn><cite id="10oxu"><sub id="10oxu"></sub></cite><i id="10oxu"><u id="10oxu"><option id="10oxu"></option></u></i><acronym id="10oxu"></acronym><u id="10oxu"></u><menuitem id="10oxu"></menuitem><td id="10oxu"></td><source id="10oxu"></source><dl id="10oxu"></dl><big id="10oxu"><track id="10oxu"><s id="10oxu"><delect id="10oxu"></delect></s></track></big><rp id="10oxu"></rp><rp id="10oxu"><dl id="10oxu"></dl></rp><label id="10oxu"><tfoot id="10oxu"><em id="10oxu"></em></tfoot></label><span id="10oxu"><kbd id="10oxu"></kbd></span><strike id="10oxu"><rp id="10oxu"><nav id="10oxu"></nav></rp></strike><div id="10oxu"></div><strong id="10oxu"><strike id="10oxu"><nobr id="10oxu"><s id="10oxu"></s></nobr></strike></strong><ins id="10oxu"><label id="10oxu"><center id="10oxu"></center></label></ins><thead id="10oxu"></thead><strong id="10oxu"></strong><pre id="10oxu"><meter id="10oxu"></meter></pre><kbd id="10oxu"></kbd><thead id="10oxu"></thead><strong id="10oxu"></strong><acronym id="10oxu"></acronym><sub id="10oxu"><label id="10oxu"><progress id="10oxu"></progress></label></sub><var id="10oxu"><address id="10oxu"></address></var><acronym id="10oxu"></acronym><menuitem id="10oxu"><em id="10oxu"><wbr id="10oxu"><mark id="10oxu"></mark></wbr></em></menuitem><source id="10oxu"></source><strike id="10oxu"><font id="10oxu"><tbody id="10oxu"></tbody></font></strike><dfn id="10oxu"></dfn><rp id="10oxu"><input id="10oxu"><blockquote id="10oxu"></blockquote></input></rp><wbr id="10oxu"></wbr><thead id="10oxu"></thead><em id="10oxu"><style id="10oxu"></style></em><var id="10oxu"><address id="10oxu"><abbr id="10oxu"><dl id="10oxu"></dl></abbr></address></var><dfn id="10oxu"><strike id="10oxu"></strike></dfn><font id="10oxu"></font><cite id="10oxu"><sub id="10oxu"><optgroup id="10oxu"></optgroup></sub></cite><ruby id="10oxu"></ruby><sup id="10oxu"></sup><abbr id="10oxu"></abbr><option id="10oxu"><s id="10oxu"><ul id="10oxu"><listing id="10oxu"></listing></ul></s></option><kbd id="10oxu"></kbd><tt id="10oxu"></tt><tr id="10oxu"></tr><li id="10oxu"></li></div><header class="header container"><span id="6ztrc83" class="logo"><a href="http://www.cdcfah.com/"><img src="/static/new_net_01/images/logo.png" alt="找產(chǎn)品網(wǎng)"></a></span><span id="xtmb87t" 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="btqqxfy" class="searchbox"><div id="xbiu4ys" class="searchLt"><div id="hb28mq9" 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="x7shb3b" class="clearfix searchWrap"><div id="j3ovkgf" 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="ix8eahg" class="container"><ul><li id = "index_index"><a href="http://www.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://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.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="kjdugnp" class="twoCol"><div id="ztgda8p" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_guanjianbi/">管件</a>?<a href="http://www.cdcfah.com/cp/third-guanjianbi_fengtou/">封頭</a>?上海錐形封頭制作廠無錫國(guó)鑫封頭供應(yīng)</p><div id="u2z7o8q" class="leftbox clearfix"><h1>上海錐形封頭制作廠無錫國(guó)鑫封頭供應(yīng)</h1><div id="feacjv3" class="proBig"><div id="osum33t" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178064772164/939965.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dx3yahy" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178064772164/939965.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8z7egyk" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上海錐形封頭制作廠,封頭</p><p><span>***更新：</span>2020-12-23 01:19:37</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="zoa8u4o" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫國(guó)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(jī): </span>0510-83897088</p><p><span>地址: </span>玉祁街道曙光村</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="2d2eqxe" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zj8pm3n" class="box"><p><p style="text-indent:25px">封頭產(chǎn)品的原材料，是確保產(chǎn)品質(zhì)量的一相底子。本規(guī)范既包容了按規(guī)則規(guī)劃（與JB150配套）的封頭，也包容了按剖析規(guī)劃（與JB4732配套）的封頭，在我國(guó)初次完成了對(duì)鋼制壓力容器用封頭的一致質(zhì)量要求。大型高壓封頭出產(chǎn)廠家產(chǎn)品的規(guī)劃、原材料的選料、加工制作、出廠包裝直到售后服務(wù)都有著嚴(yán)厲的把關(guān)和記錄，嚴(yán)厲執(zhí)行ISO9000認(rèn)證的規(guī)范，多年來專注于封頭及管件的出產(chǎn),收到廣大用戶的好評(píng)與肯定,固定的協(xié)作廠家涉及到多個(gè)范疇,公司一直教育咱們不只要重視與產(chǎn)品的質(zhì)量與價(jià)格,更多的是多與客戶交流,切實(shí)的了解他們的需求,從而為咱們達(dá)到效益,我公司真誠(chéng)的歡迎您前來洽談.所出產(chǎn)的大型封頭產(chǎn)品品質(zhì)堪稱同行業(yè)中的精品，上海錐形封頭制作廠，決不允許一件有疑問的產(chǎn)品流向市場(chǎng)。容器封頭又名為容器型封頭，上海錐形封頭制作廠，上海錐形封頭制作廠、容器封頭即為由旋轉(zhuǎn)容器球。封頭廠中封頭的出廠標(biāo)準(zhǔn)就是在硫酸中浸泡48個(gè)小時(shí)，質(zhì)量損失不超過百分之一。上海錐形封頭制作廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海錐形封頭制作廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178064772164/939965.png"></div><p style="text-indent:25px">錐形封頭為什么要有鎖緊裝置？封頭屬壓力容器中鍋爐部件的一種，容器的一個(gè)部件，是以焊接方式連接筒體。通常是在壓力容器的兩端使用的。再有就是在管道的末端做封堵之用的一種焊接管件產(chǎn)品。有比較多種的形式。具有鎖緊裝置的錐形封頭包括：圓筒直邊、錐形曲面、球形曲面和夾緊器，產(chǎn)品的圓筒直邊與錐形曲面的底部相連接，產(chǎn)品的錐形曲面的頂部與球形曲面相連接，產(chǎn)品的圓筒直邊的邊緣安裝有夾緊器，產(chǎn)品的夾緊器與圓筒直邊通過螺釘連接。通過上述方式，本產(chǎn)品具有鎖緊裝置的錐形封頭，結(jié)構(gòu)簡(jiǎn)單，封頭連接性能強(qiáng)，穩(wěn)定性高，使用壽命長(zhǎng)。錐形封頭包括上直邊、錐體和下直邊，產(chǎn)品的錐體的兩端分別與產(chǎn)品的上直邊和下直邊相連，其中產(chǎn)品的上直邊與錐體的連接處和下直邊與錐體的連接處分別是過渡曲面，產(chǎn)品的錐體的錐角為60°。本錐形封頭具有便于收集和卸除含固體物料的優(yōu)點(diǎn)，其錐角小，承受力強(qiáng)，受力均勻，圓整度好，過渡曲面的存在使直邊不易開裂，適于化工設(shè)備的底蓋或變徑段。南通反滲透設(shè)備封頭廠制造封頭安裝時(shí)需要專業(yè)人員進(jìn)出操作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海錐形封頭制作廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178567669397/247659.png"></div><p style="text-indent:25px">封頭價(jià)格一般會(huì)根據(jù)封頭使用的原材料、封頭的大小、封頭的形狀、市場(chǎng)需求等幾個(gè)因素的變化而產(chǎn)生變化。封頭常用的材料有碳鋼、不銹鋼、合金鋼等幾種原料，也有些封頭采用其他金屬原料，封頭的主體就是這些金屬原料，所以原料的價(jià)格不同，會(huì)導(dǎo)致生產(chǎn)成本的高低，售價(jià)自然也就會(huì)有高低。封頭的尺寸大小不同，使封頭所用的原料多少也會(huì)有所不同，所以封頭的價(jià)格會(huì)隨著尺寸的增大而增加。一般來說，封頭的尺寸越大，加工工藝也會(huì)更加復(fù)雜，也會(huì)導(dǎo)致封頭的價(jià)格上升。封頭的形狀不同，加工工藝會(huì)不同，如球體型的和碟型的，在制作的時(shí)候工藝難度差別較大，難易程度也不同，所以導(dǎo)致價(jià)格的不同。所以封頭價(jià)格主要影響因素就是封頭的原料成本和加工工藝難度。這是封頭本身價(jià)格的影響因素，還有一些外在因素，也會(huì)影響封頭的價(jià)格，例如市場(chǎng)的需求，營(yíng)銷手段等等。</p><p style="text-indent:25px">在使用狀態(tài)下的壓力容器產(chǎn)生的主要應(yīng)力有：容器內(nèi)的壓力產(chǎn)生的應(yīng)力；焊接殘余應(yīng)力；由于不銹鋼封頭成形加工產(chǎn)生的殘余應(yīng)力。三個(gè)應(yīng)力的疊加，使不銹鋼封頭與筒體連接的環(huán)焊縫部分存在的拉伸應(yīng)力大。所以不銹鋼封頭與筒體連接的環(huán)焊縫兩側(cè)易產(chǎn)生應(yīng)力腐蝕。而表面的劃痕，焊渣，飛濺，表面清洗不，采用含氯離子的保溫材料等因表面防護(hù)不當(dāng)會(huì)引起表面點(diǎn)腐蝕并誘發(fā)應(yīng)力腐蝕。封頭是壓力容器的重要受力部件，對(duì)于承接容器部件有比較重要的作用，封頭無論在選材還是制造技術(shù)是比較嚴(yán)格的，只有達(dá)到的要求才能運(yùn)用到工作的實(shí)踐中。1、封頭使用條件比較苛刻。封頭不但承受著大小不同的壓力載荷(在一般情況下還是脈動(dòng)載荷)和其他載荷，而且有的還是在高溫或深冷的條件下運(yùn)行，工作介質(zhì)又往往具有腐蝕性，工況環(huán)境比較惡劣。2、封頭容易超負(fù)荷。容器內(nèi)的壓力常常會(huì)因操作失誤或發(fā)生異常反應(yīng)而迅速升高，而且往往在尚未發(fā)現(xiàn)的情況下，容器即已破裂。破裂后容器的可能力就會(huì)降低，從而影響工作的進(jìn)程，耽誤工作的進(jìn)度。因此制造的封頭，提高封頭的承載力。封頭閥桿與填料間的摩擦力較大，此時(shí)用封頭可克服時(shí)滯。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海錐形封頭制作廠,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178593831455/1545798.png"></div><p style="text-indent:25px">封頭冷加工的特點(diǎn)和封頭熱加工的特點(diǎn)比較：1、未經(jīng)加熱，不會(huì)發(fā)生材質(zhì)劣化，特別適合不銹鋼封頭加工。因加熱，會(huì)發(fā)生材質(zhì)劣化，導(dǎo)致不銹鋼封頭耐腐蝕性下降，不適合不銹鋼封頭加工。2、未經(jīng)加熱，不會(huì)產(chǎn)生冷卻收縮導(dǎo)致的尺寸變化，形狀規(guī)整，尺寸精確且一致性好。加熱成形，導(dǎo)致模具受熱膨脹和封頭冷卻收縮，尺寸難以控制且一致性差。3、未經(jīng)加熱，封頭成形后表面維持原有材料的光潔表面，外觀漂亮。因加熱，封頭成形后的表面氧化皮嚴(yán)重，且難以去除。封頭的主體就是這些金屬原料，所以原料的價(jià)格不同，會(huì)導(dǎo)致生產(chǎn)成本的高低，售價(jià)自然也就會(huì)有高低。蘇州吸收塔封頭生產(chǎn)制造廠家</p><p style="text-indent:25px">標(biāo)準(zhǔn)橢圓形的封頭壁厚大約比半球形的封頭厚一倍，而與圓筒的壁厚相近。上海錐形封頭制作廠</p><p style="text-indent:25px">鈦板不銹鋼封頭屬于不銹鋼封頭的一種，主要是用來對(duì)不銹鋼管道進(jìn)行密封的零件。在它制造的過程中，有一個(gè)工藝程序是需要謹(jǐn)慎再謹(jǐn)慎的，那是熱處理工藝。在對(duì)鈦板不銹鋼封頭進(jìn)行熱處理的過程中是比較容易出現(xiàn)熱應(yīng)力的，原因是加熱和冷卻的過程中，表層和心部的冷卻速度和時(shí)間的不一致，有溫差存在。另外還比較容易出現(xiàn)組織應(yīng)力，主要是由于組織的變化即奧氏體向馬氏體轉(zhuǎn)變時(shí)，因比容的增大會(huì)伴隨工件體積的膨脹，工件各部位先后相變，造成體積長(zhǎng)大不一致。上海錐形封頭制作廠</p><p style="text-indent:25px">無錫國(guó)鑫封頭制造有限公司主要經(jīng)營(yíng)范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)涵蓋封頭，不銹鋼封頭，碳鋼封頭，鋁封頭等，價(jià)格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。國(guó)鑫封頭秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2518280.html</p></div></div></div></div></div><div id="etqf3g2" class="page-right twoColRt"><div id="gfceg8d" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="tya2vpl" class="recomPic likePro"><a href="http://www.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="et2umt7" class="recomPic likePro"><a href="http://www.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(chéng)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(chéng)推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)</p></a></div><div id="txe2zof" class="recomPic likePro"><a href="http://www.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="ap7vs3y" class="recomPic likePro"><a href="http://www.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="wbi9a7n" class="clear"></div></div><div id="mr7x8od" class="box01 box03"><h3><a href="http://www.cdcfah.com/xw/">***產(chǎn)品資訊</a></h3><ul></ul></div></div></section><div id="k8utkwi" 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="odapgxp" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1719723.html"><div id="cmodkr7" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" alt="徐州Q235B封頭廠商無錫國(guó)鑫封頭供應(yīng)" 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(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719724.html"><div id="hbdk778" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179742369306/9282842.png" alt="南通污水處理設(shè)備封頭無錫國(guó)鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通污水處理設(shè)備封頭無錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719725.html"><div id="kzb7rqc" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177952995583/8456246.png" alt="連云港臥式儲(chǔ)罐封頭生產(chǎn)廠家無錫國(guó)鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>連云港臥式儲(chǔ)罐封頭生產(chǎn)廠家無錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719726.html"><div id="x3coaho" 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(guó)鑫封頭供應(yīng)" 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(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1721993.html"><div id="2g93d2q" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179721099912/4809230.png" alt="安徽分散設(shè)備封頭企業(yè) 無錫國(guó)鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>安徽分散設(shè)備封頭企業(yè) 無錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724174.html"><div id="3nrikw3" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179614381692/2265333.png" alt="蘇州印染機(jī)械封頭廠制造無錫國(guó)鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州印染機(jī)械封頭廠制造無錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724175.html"><div id="787n9na" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png" alt="南京鋼包封頭無錫國(guó)鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京鋼包封頭無錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1726469.html"><div id="8qjvsev" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179041563010/3671152.png" alt="南通雙氧水設(shè)備封頭加工廠無錫國(guó)鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通雙氧水設(shè)備封頭加工廠無錫國(guó)鑫封頭供應(yīng)</p></a></li></ul></div></div><div id="0ce3jdu" class="page-proshow02"><p class="title">同類產(chǎn)品推薦 <span><a href="http://www.cdcfah.com/cp/first-_wjgj/">更多>></a></span></p><div id="rbn3xel" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1789953.html"><div id="hrd83ws" 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(guó)鑫封頭供應(yīng)" 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(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724174.html"><div id="mw3gaxj" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179614381692/2265333.png" alt="蘇州印染機(jī)械封頭廠制造無錫國(guó)鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州印染機(jī)械封頭廠制造無錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/3198607.html"><div id="etf9eli" 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(guó)鑫封頭供應(yīng)" 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(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719726.html"><div id="ue78h8y" 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(guó)鑫封頭供應(yīng)" 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(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719723.html"><div id="shjd7sk" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" alt="徐州Q235B封頭廠商無錫國(guó)鑫封頭供應(yīng)" 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(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1726469.html"><div id="xhtsjvs" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179041563010/3671152.png" alt="南通雙氧水設(shè)備封頭加工廠無錫國(guó)鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通雙氧水設(shè)備封頭加工廠無錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1738753.html"><div id="mwt2liu" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393179465046692/7774486.png" alt="南京水處理設(shè)備封頭生產(chǎn)廠家直銷無錫國(guó)鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京水處理設(shè)備封頭生產(chǎn)廠家直銷無錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724175.html"><div id="dsutf8v" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png" alt="南京鋼包封頭無錫國(guó)鑫封頭供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京鋼包封頭無錫國(guó)鑫封頭供應(yīng)</p></a></li></ul></div></div></section></section><footer class="footer"><div id="t39b4km" class="container"><p><a href="http://www.cdcfah.com/">首頁</a> | <a >企業(yè)名錄</a> | <a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a> | <a href="http://www.cdcfah.com/zx/">新聞資訊</a> | <a href="http://www.cdcfah.com/xw/">行業(yè)資訊</a> | <a href="http://www.cdcfah.com/zh/">展會(huì)信息</a> | <a href="http://www.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://www.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="zueaa" class="pl_css_ganrao" style="display: none;"><optgroup id="zueaa"><fieldset id="zueaa"><thead id="zueaa"><strong id="zueaa"></strong></thead></fieldset></optgroup><tbody id="zueaa"><small id="zueaa"></small></tbody><center id="zueaa"></center><button id="zueaa"><style id="zueaa"><meter id="zueaa"><dfn id="zueaa"></dfn></meter></style></button><label id="zueaa"></label><sub id="zueaa"><label id="zueaa"><th id="zueaa"><button id="zueaa"></button></th></label></sub><video id="zueaa"><ol id="zueaa"><samp id="zueaa"></samp></ol></video><abbr id="zueaa"></abbr><sup id="zueaa"><font id="zueaa"><pre id="zueaa"></pre></font></sup><li id="zueaa"><tfoot id="zueaa"><em id="zueaa"><small id="zueaa"></small></em></tfoot></li><thead id="zueaa"></thead><sup id="zueaa"></sup><dfn id="zueaa"></dfn><label id="zueaa"><xmp id="zueaa"></xmp></label><optgroup id="zueaa"><div id="zueaa"><acronym id="zueaa"></acronym></div></optgroup><strike id="zueaa"></strike><label id="zueaa"></label><legend id="zueaa"></legend><pre id="zueaa"></pre><sub id="zueaa"><li id="zueaa"><optgroup id="zueaa"><xmp id="zueaa"></xmp></optgroup></li></sub><progress id="zueaa"></progress><menuitem id="zueaa"></menuitem><legend id="zueaa"></legend><tbody id="zueaa"><ol id="zueaa"><b id="zueaa"></b></ol></tbody><option id="zueaa"><i id="zueaa"></i></option><tr id="zueaa"></tr><small id="zueaa"><strong id="zueaa"><ruby id="zueaa"><form id="zueaa"></form></ruby></strong></small><legend id="zueaa"><mark id="zueaa"></mark></legend><var id="zueaa"></var><pre id="zueaa"><u id="zueaa"></u></pre><form id="zueaa"><dl id="zueaa"><pre id="zueaa"></pre></dl></form><p id="zueaa"></p><rt id="zueaa"></rt><acronym id="zueaa"></acronym><th id="zueaa"><span id="zueaa"><del id="zueaa"></del></span></th><pre id="zueaa"></pre><dd id="zueaa"></dd><bdo id="zueaa"><tr id="zueaa"></tr></bdo><output id="zueaa"></output><menuitem id="zueaa"><listing id="zueaa"></listing></menuitem><label id="zueaa"><tfoot id="zueaa"><em id="zueaa"><style id="zueaa"></style></em></tfoot></label><center id="zueaa"><abbr id="zueaa"><sup id="zueaa"></sup></abbr></center><rp id="zueaa"><dl id="zueaa"><blockquote id="zueaa"></blockquote></dl></rp><strike id="zueaa"><center id="zueaa"><nav id="zueaa"><div id="zueaa"></div></nav></center></strike><output id="zueaa"><table id="zueaa"></table></output><strong id="zueaa"></strong><tt id="zueaa"><i id="zueaa"></i></tt><thead id="zueaa"><ruby id="zueaa"><menu id="zueaa"></menu></ruby></thead><listing id="zueaa"></listing><ol id="zueaa"></ol><em id="zueaa"><style id="zueaa"></style></em><source id="zueaa"><ins id="zueaa"><abbr id="zueaa"></abbr></ins></source><label id="zueaa"><xmp id="zueaa"></xmp></label><rp id="zueaa"><optgroup id="zueaa"><th id="zueaa"><button id="zueaa"></button></th></optgroup></rp><meter id="zueaa"><noframes id="zueaa"><source id="zueaa"><ins id="zueaa"></ins></source></noframes></meter><ruby id="zueaa"></ruby><dfn id="zueaa"><strike id="zueaa"></strike></dfn><pre id="zueaa"><u id="zueaa"><thead id="zueaa"></thead></u></pre><strong id="zueaa"></strong><bdo id="zueaa"><span id="zueaa"></span></bdo><th id="zueaa"></th><bdo id="zueaa"><tr id="zueaa"><abbr id="zueaa"><strike id="zueaa"></strike></abbr></tr></bdo><delect id="zueaa"></delect><ins id="zueaa"><label id="zueaa"><center id="zueaa"></center></label></ins><u id="zueaa"></u><output id="zueaa"><strong id="zueaa"><dd id="zueaa"></dd></strong></output><abbr id="zueaa"></abbr><abbr id="zueaa"><strike id="zueaa"><output id="zueaa"></output></strike></abbr><th id="zueaa"><span id="zueaa"><dfn id="zueaa"><cite id="zueaa"></cite></dfn></span></th><ul id="zueaa"><thead id="zueaa"></thead></ul><sub id="zueaa"><label id="zueaa"><progress id="zueaa"></progress></label></sub><thead id="zueaa"><abbr id="zueaa"><sup id="zueaa"><dd id="zueaa"></dd></sup></abbr></thead><object id="zueaa"><meter id="zueaa"><nobr id="zueaa"></nobr></meter></object><rp id="zueaa"></rp><thead id="zueaa"><object id="zueaa"></object></thead><mark id="zueaa"></mark><tr id="zueaa"></tr><p id="zueaa"></p><pre id="zueaa"></pre><object id="zueaa"></object><center id="zueaa"><abbr id="zueaa"><strike id="zueaa"><font id="zueaa"></font></strike></abbr></center><menu id="zueaa"></menu><strong id="zueaa"></strong><progress id="zueaa"></progress><del id="zueaa"><code id="zueaa"><form id="zueaa"></form></code></del><xmp id="zueaa"><small id="zueaa"><dl id="zueaa"><small id="zueaa"></small></dl></small></xmp><noframes id="zueaa"></noframes><strong id="zueaa"></strong><legend id="zueaa"></legend><small id="zueaa"><td id="zueaa"></td></small><span id="zueaa"></span><ins id="zueaa"></ins><menu id="zueaa"><legend id="zueaa"><track id="zueaa"></track></legend></menu><font id="zueaa"></font><noframes id="zueaa"></noframes><tbody id="zueaa"><ol id="zueaa"><b id="zueaa"><small id="zueaa"></small></b></ol></tbody><tt id="zueaa"></tt><small id="zueaa"><p id="zueaa"><ruby id="zueaa"></ruby></p></small><p id="zueaa"></p><label id="zueaa"><progress id="zueaa"><listing id="zueaa"></listing></progress></label><sub id="zueaa"></sub><thead id="zueaa"><ruby id="zueaa"><ol id="zueaa"><xmp id="zueaa"></xmp></ol></ruby></thead><code id="zueaa"></code><object id="zueaa"></object><strike id="zueaa"><center id="zueaa"><nav id="zueaa"><div id="zueaa"></div></nav></center></strike><track id="zueaa"><pre id="zueaa"><small id="zueaa"><strong id="zueaa"></strong></small></pre></track><nobr id="zueaa"></nobr><strong id="zueaa"></strong><dfn id="zueaa"><strike id="zueaa"><output id="zueaa"><nav id="zueaa"></nav></output></strike></dfn><th id="zueaa"><rt id="zueaa"><del id="zueaa"></del></rt></th><sup id="zueaa"></sup><td id="zueaa"></td><ul id="zueaa"><listing id="zueaa"></listing></ul><p id="zueaa"></p><kbd id="zueaa"></kbd><big id="zueaa"><track id="zueaa"></track></big><label id="zueaa"><em id="zueaa"></em></label><menu id="zueaa"><b id="zueaa"><pre id="zueaa"><label id="zueaa"></label></pre></b></menu><center id="zueaa"><optgroup id="zueaa"><div id="zueaa"><button id="zueaa"></button></div></optgroup></center><option id="zueaa"></option><tbody id="zueaa"></tbody><form id="zueaa"><legend id="zueaa"></legend></form><dfn id="zueaa"></dfn><mark id="zueaa"></mark><acronym id="zueaa"><strong id="zueaa"></strong></acronym><th id="zueaa"><rt id="zueaa"><del id="zueaa"><dfn id="zueaa"></dfn></del></rt></th><nobr id="zueaa"></nobr><bdo id="zueaa"><tr id="zueaa"><abbr id="zueaa"><strike id="zueaa"></strike></abbr></tr></bdo><table id="zueaa"></table><samp id="zueaa"><track id="zueaa"><pre id="zueaa"></pre></track></samp><rp id="zueaa"><dl id="zueaa"></dl></rp><big id="zueaa"><pre id="zueaa"><s id="zueaa"><progress id="zueaa"></progress></s></pre></big><menuitem id="zueaa"></menuitem><noframes id="zueaa"></noframes><strike id="zueaa"></strike><center id="zueaa"></center><object id="zueaa"><big id="zueaa"><option id="zueaa"><s id="zueaa"></s></option></big></object><strong id="zueaa"></strong><table id="zueaa"><p id="zueaa"><ruby id="zueaa"></ruby></p></table><form id="zueaa"><u id="zueaa"><fieldset id="zueaa"></fieldset></u></form><div id="zueaa"><th id="zueaa"></th></div><dfn id="zueaa"><code id="zueaa"><pre id="zueaa"></pre></code></dfn><sub id="zueaa"></sub><menuitem id="zueaa"><listing id="zueaa"></listing></menuitem><label id="zueaa"><tfoot id="zueaa"></tfoot></label><style id="zueaa"></style><label id="zueaa"><progress id="zueaa"><listing id="zueaa"></listing></progress></label><b id="zueaa"></b><video id="zueaa"></video></div></html>