南通碳鋼封頭生產(chǎn)制造廠家無(wú)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="不銹鋼封頭在進(jìn)行制作的過(guò)程中其耐磨質(zhì)料種類繁多，用途應(yīng)用普遍，按操縱機(jī)能分，可分為微電子質(zhì)料、光電子質(zhì)料、傳感工具料、信息質(zhì)料、生物醫(yī)用質(zhì)料、生態(tài)情形質(zhì)料、能源質(zhì)料和機(jī)智(智能)質(zhì)料，不銹鋼封頭耐空氣、蒸汽、水等弱侵蝕介質(zhì)和酸、堿，南通碳鋼"><meta name="keywords" content="南通碳鋼封頭生產(chǎn)制造廠家,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="0ykm3" class="pl_css_ganrao" style="display: none;"><menuitem id="0ykm3"><dd id="0ykm3"><s id="0ykm3"></s></dd></menuitem><mark id="0ykm3"><xmp id="0ykm3"><rt id="0ykm3"><optgroup id="0ykm3"></optgroup></rt></xmp></mark><small id="0ykm3"><form id="0ykm3"></form></small><optgroup id="0ykm3"><fieldset id="0ykm3"><thead id="0ykm3"><abbr id="0ykm3"></abbr></thead></fieldset></optgroup><strong id="0ykm3"></strong><kbd id="0ykm3"><dl id="0ykm3"><sub id="0ykm3"></sub></dl></kbd><tt id="0ykm3"><tbody id="0ykm3"><acronym id="0ykm3"></acronym></tbody></tt><progress id="0ykm3"><em id="0ykm3"><span id="0ykm3"></span></em></progress><th id="0ykm3"><rt id="0ykm3"><del id="0ykm3"></del></rt></th><style id="0ykm3"></style><i id="0ykm3"><ins id="0ykm3"><var id="0ykm3"><center id="0ykm3"></center></var></ins></i><noframes id="0ykm3"><td id="0ykm3"><ins id="0ykm3"><label id="0ykm3"></label></ins></td></noframes><option id="0ykm3"><i id="0ykm3"></i></option><menuitem id="0ykm3"></menuitem><var id="0ykm3"></var><pre id="0ykm3"><meter id="0ykm3"></meter></pre><p id="0ykm3"></p><p id="0ykm3"></p><object id="0ykm3"></object><option id="0ykm3"><source id="0ykm3"></source></option><sup id="0ykm3"><optgroup id="0ykm3"><legend id="0ykm3"></legend></optgroup></sup><tr id="0ykm3"><label id="0ykm3"><center id="0ykm3"></center></label></tr><bdo id="0ykm3"></bdo><sup id="0ykm3"><dd id="0ykm3"><video id="0ykm3"><ol id="0ykm3"></ol></video></dd></sup><ruby id="0ykm3"><ol id="0ykm3"><xmp id="0ykm3"><sub id="0ykm3"></sub></xmp></ol></ruby><delect id="0ykm3"></delect><xmp id="0ykm3"></xmp><listing id="0ykm3"></listing><strong id="0ykm3"></strong><nobr id="0ykm3"></nobr><progress id="0ykm3"></progress><tt id="0ykm3"></tt><dl id="0ykm3"><delect id="0ykm3"><bdo id="0ykm3"><span id="0ykm3"></span></bdo></delect></dl><p id="0ykm3"></p><legend id="0ykm3"></legend><optgroup id="0ykm3"></optgroup><ul id="0ykm3"><listing id="0ykm3"><wbr id="0ykm3"></wbr></listing></ul><var id="0ykm3"></var><strike id="0ykm3"><font id="0ykm3"></font></strike><big id="0ykm3"></big><kbd id="0ykm3"></kbd><listing id="0ykm3"></listing><big id="0ykm3"><track id="0ykm3"><s id="0ykm3"></s></track></big><td id="0ykm3"></td><em id="0ykm3"><span id="0ykm3"></span></em><b id="0ykm3"></b><thead id="0ykm3"><object id="0ykm3"></object></thead><pre id="0ykm3"></pre><object id="0ykm3"><dfn id="0ykm3"></dfn></object><button id="0ykm3"></button></div><header class="header container"><span id="87lr7at" 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="t3ccrxd" 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="lwyvxpx" class="searchbox"><div id="p2z7fzv" class="searchLt"><div id="7qzypwd" 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="gq2l88m" class="clearfix searchWrap"><div id="z8srdkm" 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="xm9lfrd" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁(yè)</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="yncd2a8" class="twoCol"><div id="txrolnj" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?南通碳鋼封頭生產(chǎn)制造廠家無(wú)錫國(guó)鑫封頭供應(yīng)</p><div id="tszbik7" class="leftbox clearfix"><h1>南通碳鋼封頭生產(chǎn)制造廠家無(wú)錫國(guó)鑫封頭供應(yīng)</h1><div id="yhj2sjd" class="proBig"><div id="zy3dkmt" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178640950369/9635590.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ga7bnzl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178640950369/9635590.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qfmjl8v" 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>南通碳鋼封頭生產(chǎn)制造廠家,封頭</p><p><span>***更新：</span>2020-12-28 12:29:43</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="puwdfj3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)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="33c7hog" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2vmov8a" class="box"><p><p style="text-indent:25px">不銹鋼封頭在進(jìn)行制作的過(guò)程中其耐磨質(zhì)料種類繁多，用途應(yīng)用普遍，按操縱機(jī)能分，可分為微電子質(zhì)料、光電子質(zhì)料、傳感工具料、信息質(zhì)料、生物醫(yī)用質(zhì)料、生態(tài)情形質(zhì)料、能源質(zhì)料和機(jī)智(智能)質(zhì)料，不銹鋼封頭耐空氣、蒸汽、水等弱侵蝕介質(zhì)和酸、堿，南通碳鋼封頭生產(chǎn)制造廠家、鹽等化學(xué)浸蝕性介質(zhì)侵蝕的鋼。又稱不銹耐酸鋼?，F(xiàn)實(shí)應(yīng)用中，南通碳鋼封頭生產(chǎn)制造廠家，常將耐弱侵蝕介質(zhì)侵蝕的鋼稱為不銹鋼沖壓封頭，而將耐化學(xué)介質(zhì)侵蝕的鋼稱為耐酸鋼，南通碳鋼封頭生產(chǎn)制造廠家。不銹鋼封頭的熱處理加工注意事項(xiàng)熱處理工藝必須要嚴(yán)格控制。圓封頭的受力能力上相比來(lái)說(shuō)會(huì)好一些。南通碳鋼封頭生產(chǎn)制造廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通碳鋼封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178640950369/9635590.png"></div><p style="text-indent:25px">封頭加工廠家的我就來(lái)跟大家講一講有關(guān)封頭加工需要注意的問(wèn)題吧！首先，在加工中需要注意，配料在冷鍛的時(shí)候就需要進(jìn)行加工，出現(xiàn)變形和硬化的情況，這種也是為了讓模具有更好的負(fù)載能力，而使用上基本上都是**度的鍛造模具，采用的都是防止磨損和粘結(jié)的硬質(zhì)潤(rùn)滑膜處理方法，這樣效果會(huì)好比較多。然后，這個(gè)需要在退火之后還能保證良好的形變能力，而且使用上而會(huì)有更好的潤(rùn)滑效果，特別是不銹鋼封頭有的會(huì)進(jìn)行磷化處理，這種在加工上對(duì)工藝的要求也就高不少，特別是比較多斷面中不能進(jìn)行潤(rùn)滑處理，也有的在這個(gè)過(guò)程中放棄潤(rùn)滑處理方式。其中溫鍛上也有一定的優(yōu)勢(shì)，可以明顯的提高鍛件的精度和質(zhì)量，而且整體上也沒(méi)有冷鍛需要那么大的成形力，溫鍛工藝上的應(yīng)用和鍛件材料上也會(huì)有明顯的改進(jìn)，不過(guò)溫鍛上不太適合的也有，就比如說(shuō)形狀非常的復(fù)雜，碳含量比較低的精密鍛件。末尾，冷鍛工藝上就可以比較好的成型，冷鍛的方式上也比較難解決，特別是后續(xù)用冷鍛的成型工藝上成本還是比較高的，比較適合一些低碳的產(chǎn)品，這種產(chǎn)品溫鍛不好處理。南京脫水塔封頭廠商球形封頭能夠安裝在容器為其提供密封能力和承載壓力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通碳鋼封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178619026503/2262348.png"></div><p style="text-indent:25px">封頭在下料前需要在原板材上面選擇一段試樣，需要對(duì)試樣進(jìn)行物理性能測(cè)試和化學(xué)元素含量的測(cè)試，因?yàn)槲锢硇阅軟Q定封頭的減薄率，化學(xué)元素含量決定焊接質(zhì)量。那么，在下料的時(shí)候，具體該怎么操作呢？針對(duì)這一問(wèn)題，我們必須要要明白，其實(shí)下料是封頭制作的一道工序，因而這一道工序的操作質(zhì)量將會(huì)直接影響到產(chǎn)品較終的質(zhì)量。同時(shí)在下料的時(shí)候也要考慮到怎么樣排列下料才會(huì)使用料較省，達(dá)到成本較低，并且在切割圓片的時(shí)候要考慮下料圓片公差-5～+5毫米。</p><p style="text-indent:25px">在石油化工等相關(guān)領(lǐng)域中，為了保證生產(chǎn)作業(yè)的有效進(jìn)行，因而需要使用一些裝置和部件。比如在使用壓力容器設(shè)備的時(shí)候，封頭就成為了一種不可缺少的重要部件。封頭指的是壓力容器上的端蓋，是壓力容器的一個(gè)主要承壓部件，所起的作用是密封作用。在實(shí)際應(yīng)用中，針對(duì)于現(xiàn)場(chǎng)條件和要求可以將其設(shè)計(jì)為不同的結(jié)構(gòu)，一種是做成罐形壓力容器的上下底，另一種則是管道到頭了，不準(zhǔn)備再向前延伸了，那就用一個(gè)封頭在把管子用焊接的形式密封住。和封頭的作用差不多的的產(chǎn)品有盲板和管帽。橢圓封頭保養(yǎng)技巧：避免強(qiáng)制組焊。結(jié)構(gòu)設(shè)計(jì)要防止拘束應(yīng)力過(guò)大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南通碳鋼封頭生產(chǎn)制造廠家,封頭" src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png"></div><p style="text-indent:25px">橢圓封頭保養(yǎng)技巧：1.封頭水壓試驗(yàn)用水氯離子含量不得大于25mg/L，試驗(yàn)后要及時(shí)吹干。2.不銹鋼酸洗不能用鹽酸等還原酸。3.嚴(yán)格遵守《容規(guī)》規(guī)定的介質(zhì)相容性。4.防止不銹鋼橢圓封頭表面的磕碰劃傷。5.防止與碳素鋼直接接觸，避免鐵離子污染。6.不在露天存放，防雨淋。7.避免強(qiáng)制組焊。結(jié)構(gòu)設(shè)計(jì)要防止拘束應(yīng)力過(guò)大。8.橢圓封頭與筒體組焊后，要及時(shí)清理焊縫、熱影響區(qū)及周圍的焊渣、飛濺、污染物，并進(jìn)行PT檢查和表面酸洗。無(wú)錫國(guó)鑫封頭制造有限公司.封頭是一種由旋轉(zhuǎn)橢圓球面和圓筒形直段兩部分組成的封頭。上海油罐封頭廠制造</p><p style="text-indent:25px">封頭的品質(zhì)，直接關(guān)系到壓力容器的長(zhǎng)期安全可靠運(yùn)行。南通碳鋼封頭生產(chǎn)制造廠家</p><p style="text-indent:25px">橢圓封頭即為由旋轉(zhuǎn)橢圓球面和圓筒形直段兩部分組成的封頭。其作用是.管道到頭了，不準(zhǔn)備現(xiàn)延伸了，用封頭焊到管子上，做為一個(gè)末端來(lái)使用?；蛘呤怯迷趬毫θ萜魃希舷赂饔幸粋€(gè)封頭，中間是一個(gè)直管段，做為壓力容器的罐子用。由于橢圓形封頭的深度介于半球形和碟形封頭之間，對(duì)沖壓設(shè)備及模具的要求、制造難度亦介于兩者之間，即比半球形封頭容易，比碟形封頭困難。橢圓形封頭因綜合性能較好，被普遍用于中低壓容器。近年來(lái)由于采用旋壓制遣工藝，為制造大直徑橢圓形封頭帶來(lái)了方便。南通碳鋼封頭生產(chǎn)制造廠家</p><p style="text-indent:25px">無(wú)錫國(guó)鑫封頭制造有限公司位于玉祁街道曙光工業(yè)園。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下封頭，不銹鋼封頭，碳鋼封頭，鋁封頭深受客戶的喜愛(ài)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。國(guó)鑫封頭憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2601705.html</p></div></div></div></div></div><div id="wl8rico" class="page-right twoColRt"><div id="ujgy2ed" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="t7is82d" 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="crobdkm" 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="wlsuwdp" 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(lái)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(lái)電溫州奧基智能科技供應(yīng)</p></a></div><div id="ic7ykmo" 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="dnkm8bc" class="clear"></div></div><div id="7eg737m" 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="oyfmofh" 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="hrovs2n" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1719723.html"><div id="rl8wy23" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" alt="徐州Q235B封頭廠商無(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719724.html"><div id="b2nelxu" 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(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719725.html"><div id="fpmjq3w" 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(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719726.html"><div id="f8ac3lx" 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(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1721993.html"><div id="mw7s8jq" 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(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724174.html"><div id="pzw8d3j" 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(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724175.html"><div id="8lnkwi8" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png" alt="南京鋼包封頭無(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1726469.html"><div id="g7as3ol" 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(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li></ul></div></div><div id="pzwipwi" 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="wlnubdp" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1789953.html"><div id="8q8roln" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177975553890/7890057.png" alt="蘇州球冠形封頭加工無(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724174.html"><div id="yxzbdkb" 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(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/3198607.html"><div id="wgd73mo" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177986022692/3812274.png" alt="蘇州鋼包封頭廠家無(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719726.html"><div id="fpm24kc" 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(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1719723.html"><div id="r7h3z2v" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393177816365410/2698061.png" alt="徐州Q235B封頭廠商無(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1726469.html"><div id="et7yaro" 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(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1738753.html"><div id="fpmoqn8" 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(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li><li><a href="http://www.cdcfah.com/cp/1724175.html"><div id="8eielce" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/wxgxft/637393178090075643/961728.png" alt="南京鋼包封頭無(wú)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(wú)錫國(guó)鑫封頭供應(yīng)</p></a></li></ul></div></div></section></section><footer class="footer"><div id="pe8tvce" class="container"><p><a href="http://www.cdcfah.com/">首頁(yè)</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="4t5qa" class="pl_css_ganrao" style="display: none;"><th id="4t5qa"><span id="4t5qa"><dfn id="4t5qa"></dfn></span></th><source id="4t5qa"><tr id="4t5qa"><abbr id="4t5qa"></abbr></tr></source><label id="4t5qa"><tfoot id="4t5qa"><em id="4t5qa"><style id="4t5qa"></style></em></tfoot></label><em id="4t5qa"><style id="4t5qa"></style></em><wbr id="4t5qa"></wbr><video id="4t5qa"></video><fieldset id="4t5qa"><address id="4t5qa"><strong id="4t5qa"></strong></address></fieldset><em id="4t5qa"><style id="4t5qa"></style></em><legend id="4t5qa"><mark id="4t5qa"></mark></legend><video id="4t5qa"><ol id="4t5qa"><samp id="4t5qa"></samp></ol></video><small id="4t5qa"></small><form id="4t5qa"></form><dfn id="4t5qa"><td id="4t5qa"><ins id="4t5qa"><label id="4t5qa"></label></ins></td></dfn><kbd id="4t5qa"></kbd><tt id="4t5qa"><i id="4t5qa"><tr id="4t5qa"></tr></i></tt><div id="4t5qa"><th id="4t5qa"><object id="4t5qa"><del id="4t5qa"></del></object></th></div><ol id="4t5qa"></ol><abbr id="4t5qa"><center id="4t5qa"></center></abbr><center id="4t5qa"><input id="4t5qa"><th id="4t5qa"></th></input></center><center id="4t5qa"><optgroup id="4t5qa"><label id="4t5qa"><thead id="4t5qa"></thead></label></optgroup></center><small id="4t5qa"><p id="4t5qa"><pre id="4t5qa"><optgroup id="4t5qa"></optgroup></pre></p></small><cite id="4t5qa"><center id="4t5qa"></center></cite><delect id="4t5qa"></delect><rp id="4t5qa"><dl id="4t5qa"></dl></rp><rt id="4t5qa"></rt><tt id="4t5qa"></tt><th id="4t5qa"><span id="4t5qa"></span></th><rt id="4t5qa"></rt><ul id="4t5qa"></ul><label id="4t5qa"><tfoot id="4t5qa"></tfoot></label><legend id="4t5qa"><dfn id="4t5qa"><table id="4t5qa"><td id="4t5qa"></td></table></dfn></legend><listing id="4t5qa"></listing><del id="4t5qa"><dfn id="4t5qa"></dfn></del><td id="4t5qa"></td><bdo id="4t5qa"><span id="4t5qa"><del id="4t5qa"></del></span></bdo><pre id="4t5qa"><strike id="4t5qa"><tt id="4t5qa"><i id="4t5qa"></i></tt></strike></pre><u id="4t5qa"></u><small id="4t5qa"><p id="4t5qa"><sup id="4t5qa"></sup></p></small><strong id="4t5qa"><sup id="4t5qa"><menu id="4t5qa"></menu></sup></strong><track id="4t5qa"></track><tbody id="4t5qa"><tfoot id="4t5qa"></tfoot></tbody><acronym id="4t5qa"></acronym><small id="4t5qa"></small><tr id="4t5qa"><b id="4t5qa"><code id="4t5qa"></code></b></tr><strike id="4t5qa"><center id="4t5qa"><nav id="4t5qa"><div id="4t5qa"></div></nav></center></strike><span id="4t5qa"><kbd id="4t5qa"></kbd></span><noframes id="4t5qa"></noframes><pre id="4t5qa"></pre><menuitem id="4t5qa"><listing id="4t5qa"><wbr id="4t5qa"><kbd id="4t5qa"></kbd></wbr></listing></menuitem><form id="4t5qa"><legend id="4t5qa"><pre id="4t5qa"></pre></legend></form><form id="4t5qa"><u id="4t5qa"><fieldset id="4t5qa"></fieldset></u></form><dl id="4t5qa"></dl><p id="4t5qa"></p><dfn id="4t5qa"></dfn><th id="4t5qa"><span id="4t5qa"></span></th><optgroup id="4t5qa"></optgroup><center id="4t5qa"></center><pre id="4t5qa"><meter id="4t5qa"><nobr id="4t5qa"></nobr></meter></pre><u id="4t5qa"></u><em id="4t5qa"></em><rt id="4t5qa"></rt><sup id="4t5qa"><dd id="4t5qa"><video id="4t5qa"><ol id="4t5qa"></ol></video></dd></sup><em id="4t5qa"></em><legend id="4t5qa"><dfn id="4t5qa"><table id="4t5qa"></table></dfn></legend><tr id="4t5qa"><abbr id="4t5qa"><wbr id="4t5qa"></wbr></abbr></tr><menu id="4t5qa"><legend id="4t5qa"></legend></menu><acronym id="4t5qa"></acronym><del id="4t5qa"><dfn id="4t5qa"><center id="4t5qa"></center></dfn></del><dd id="4t5qa"></dd><ul id="4t5qa"><listing id="4t5qa"><address id="4t5qa"><kbd id="4t5qa"></kbd></address></listing></ul><p id="4t5qa"></p><tr id="4t5qa"><abbr id="4t5qa"><legend id="4t5qa"></legend></abbr></tr><th id="4t5qa"></th><tt id="4t5qa"></tt><rp id="4t5qa"><dl id="4t5qa"><blockquote id="4t5qa"></blockquote></dl></rp><li id="4t5qa"><tfoot id="4t5qa"><em id="4t5qa"><style id="4t5qa"></style></em></tfoot></li><bdo id="4t5qa"></bdo><strike id="4t5qa"><font id="4t5qa"><pre id="4t5qa"></pre></font></strike><object id="4t5qa"><del id="4t5qa"></del></object><address id="4t5qa"></address><tfoot id="4t5qa"></tfoot><video id="4t5qa"><ol id="4t5qa"><b id="4t5qa"></b></ol></video><menuitem id="4t5qa"><em id="4t5qa"><wbr id="4t5qa"><mark id="4t5qa"></mark></wbr></em></menuitem><label id="4t5qa"><progress id="4t5qa"></progress></label><cite id="4t5qa"><center id="4t5qa"><optgroup id="4t5qa"><div id="4t5qa"></div></optgroup></center></cite><dfn id="4t5qa"><strike id="4t5qa"><output id="4t5qa"></output></strike></dfn><p id="4t5qa"></p><big id="4t5qa"><track id="4t5qa"><pre id="4t5qa"></pre></track></big><source id="4t5qa"></source><u id="4t5qa"></u><div id="4t5qa"><button id="4t5qa"><object id="4t5qa"><meter id="4t5qa"></meter></object></button></div><tfoot id="4t5qa"></tfoot><fieldset id="4t5qa"></fieldset><ins id="4t5qa"><optgroup id="4t5qa"><strike id="4t5qa"><rp id="4t5qa"></rp></strike></optgroup></ins><th id="4t5qa"><span id="4t5qa"><del id="4t5qa"><cite id="4t5qa"></cite></del></span></th><output id="4t5qa"></output><pre id="4t5qa"></pre><var id="4t5qa"></var></div></html>