螺絲廠家來電咨詢晉迅緊固件供應-b2b網站_b2b電子商務平臺【買產品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="**度的螺栓連接具有施工簡單、受力性能好、可拆換、耐疲勞、以及在動力荷載作用下不致松動等優(yōu)點，是很有發(fā)展前途的連接方法。**度螺栓是用特制的扳手上緊螺帽，使螺栓產生巨大而又受控制的預拉力，通過螺帽和墊板，對被連接件也產生了同樣大小的預壓力。"><meta name="keywords" content="螺絲廠家,螺栓"><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="avssg" class="pl_css_ganrao" style="display: none;"><th id="avssg"><dfn id="avssg"><meter id="avssg"><abbr id="avssg"></abbr></meter></dfn></th><rt id="avssg"><pre id="avssg"></pre></rt><meter id="avssg"></meter><font id="avssg"><menuitem id="avssg"><thead id="avssg"><pre id="avssg"></pre></thead></menuitem></font><sup id="avssg"></sup><mark id="avssg"><sub id="avssg"><dl id="avssg"><tr id="avssg"></tr></dl></sub></mark><pre id="avssg"></pre><label id="avssg"></label><tt id="avssg"><option id="avssg"><ul id="avssg"></ul></option></tt><center id="avssg"></center><input id="avssg"><sup id="avssg"></sup></input><acronym id="avssg"></acronym><acronym id="avssg"><track id="avssg"><small id="avssg"></small></track></acronym><fieldset id="avssg"><object id="avssg"></object></fieldset><noframes id="avssg"><b id="avssg"><blockquote id="avssg"></blockquote></b></noframes><dl id="avssg"><tr id="avssg"><center id="avssg"></center></tr></dl><form id="avssg"><video id="avssg"><label id="avssg"></label></video></form><bdo id="avssg"><em id="avssg"><dfn id="avssg"></dfn></em></bdo><dfn id="avssg"><li id="avssg"></li></dfn><cite id="avssg"><thead id="avssg"><cite id="avssg"><var id="avssg"></var></cite></thead></cite><sup id="avssg"></sup><i id="avssg"><u id="avssg"><video id="avssg"></video></u></i><dfn id="avssg"></dfn><center id="avssg"><address id="avssg"><ol id="avssg"><legend id="avssg"></legend></ol></address></center><sub id="avssg"></sub><legend id="avssg"></legend><option id="avssg"></option><fieldset id="avssg"></fieldset><label id="avssg"><style id="avssg"></style></label><noframes id="avssg"><tr id="avssg"><button id="avssg"><font id="avssg"></font></button></tr></noframes><blockquote id="avssg"></blockquote><tr id="avssg"><blockquote id="avssg"></blockquote></tr><dd id="avssg"><tr id="avssg"><fieldset id="avssg"><dfn id="avssg"></dfn></fieldset></tr></dd><big id="avssg"><form id="avssg"><rt id="avssg"></rt></form></big><tbody id="avssg"><acronym id="avssg"><var id="avssg"></var></acronym></tbody><tr id="avssg"><button id="avssg"></button></tr><fieldset id="avssg"><strong id="avssg"><track id="avssg"><acronym id="avssg"></acronym></track></strong></fieldset><listing id="avssg"></listing><pre id="avssg"><thead id="avssg"><video id="avssg"><u id="avssg"></u></video></thead></pre><tt id="avssg"></tt><strong id="avssg"><label id="avssg"><listing id="avssg"><noframes id="avssg"></noframes></listing></label></strong><optgroup id="avssg"><u id="avssg"><del id="avssg"></del></u></optgroup><strike id="avssg"></strike><source id="avssg"></source><del id="avssg"></del><label id="avssg"><style id="avssg"></style></label><ul id="avssg"><small id="avssg"><legend id="avssg"><mark id="avssg"></mark></legend></small></ul><source id="avssg"><style id="avssg"><strong id="avssg"></strong></style></source><strong id="avssg"><ul id="avssg"><mark id="avssg"><tr id="avssg"></tr></mark></ul></strong><form id="avssg"></form><dfn id="avssg"><rp id="avssg"><dfn id="avssg"><ul id="avssg"></ul></dfn></rp></dfn><td id="avssg"><tfoot id="avssg"><strong id="avssg"><li id="avssg"></li></strong></tfoot></td><em id="avssg"></em><code id="avssg"></code><b id="avssg"><delect id="avssg"><sup id="avssg"><legend id="avssg"></legend></sup></delect></b><var id="avssg"><pre id="avssg"><var id="avssg"></var></pre></var><rt id="avssg"><acronym id="avssg"></acronym></rt><acronym id="avssg"><tbody id="avssg"><acronym id="avssg"></acronym></tbody></acronym><table id="avssg"></table><sub id="avssg"><progress id="avssg"><p id="avssg"></p></progress></sub><tt id="avssg"><form id="avssg"></form></tt><tt id="avssg"></tt><tbody id="avssg"></tbody><em id="avssg"></em><blockquote id="avssg"></blockquote><sup id="avssg"><i id="avssg"><small id="avssg"><tt id="avssg"></tt></small></i></sup><pre id="avssg"><pre id="avssg"></pre></pre><video id="avssg"><u id="avssg"><font id="avssg"><menuitem id="avssg"></menuitem></font></u></video><wbr id="avssg"></wbr><div id="avssg"><dl id="avssg"><var id="avssg"></var></dl></div><acronym id="avssg"></acronym><video id="avssg"><pre id="avssg"><video id="avssg"></video></pre></video><output id="avssg"><pre id="avssg"></pre></output><dl id="avssg"></dl><ins id="avssg"></ins><small id="avssg"><track id="avssg"><mark id="avssg"></mark></track></small><legend id="avssg"><style id="avssg"></style></legend><fieldset id="avssg"></fieldset><samp id="avssg"><wbr id="avssg"><i id="avssg"><small id="avssg"></small></i></wbr></samp><em id="avssg"></em><ul id="avssg"><meter id="avssg"><thead id="avssg"></thead></meter></ul><pre id="avssg"><dfn id="avssg"><thead id="avssg"><pre id="avssg"></pre></thead></dfn></pre><form id="avssg"><sup id="avssg"><menu id="avssg"><small id="avssg"></small></menu></sup></form><sup id="avssg"></sup><thead id="avssg"><meter id="avssg"><strike id="avssg"><strong id="avssg"></strong></strike></meter></thead><strong id="avssg"><label id="avssg"><small id="avssg"><del id="avssg"></del></small></label></strong><dfn id="avssg"><rp id="avssg"></rp></dfn><font id="avssg"><menuitem id="avssg"><del id="avssg"><center id="avssg"></center></del></menuitem></font><wbr id="avssg"></wbr><center id="avssg"></center><legend id="avssg"><sup id="avssg"><dl id="avssg"><s id="avssg"></s></dl></sup></legend><rt id="avssg"><cite id="avssg"><var id="avssg"></var></cite></rt><font id="avssg"><pre id="avssg"></pre></font><optgroup id="avssg"></optgroup><style id="avssg"></style><thead id="avssg"><acronym id="avssg"></acronym></thead><acronym id="avssg"><samp id="avssg"></samp></acronym><button id="avssg"><font id="avssg"><pre id="avssg"></pre></font></button><span id="avssg"></span><form id="avssg"><sup id="avssg"><optgroup id="avssg"><small id="avssg"></small></optgroup></sup></form></div><header class="header container"><span id="5pxjymo" class="logo"><a href="http://www.cdcfah.com/"><img src="/static/new_net_01/images/logo.png" alt="找產品網"></a></span><span id="8dfojdn" class="tigs"> 發(fā)信息做推廣就找產品網<br />企業(yè)電商信息綜合服務平臺 </span><div id="gpgt5tl" class="searchbox"><div id="ltlylfm" class="searchLt"><div id="38v0gwq" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產品</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="xhmiz5p" class="clearfix searchWrap"><div id="tv5kgg5" 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="83jvuhz" 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>產品供應</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="mmgu0oy" class="twoCol"><div id="xw0nrjm" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</a>?<a href="http://www.cdcfah.com/cp/first-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/second-wjgj_jgjljjlg/">緊固件、連接件</a>?<a href="http://www.cdcfah.com/cp/third-jgjljjlg_luoshuanyx/">螺栓</a>?螺絲廠家來電咨詢晉迅緊固件供應</p><div id="ussxuau" class="leftbox clearfix"><h1>螺絲廠家來電咨詢晉迅緊固件供應</h1><div id="u5zw5v0" class="proBig"><div id="58koorn" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103915126101/3172399.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="0m0x5je" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103915126101/3172399.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8ncofxo" class="content"><p><span>需求數量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產品關鍵詞：</span>螺絲廠家,螺栓</p><p><span>***更新：</span>2020-12-25 02:18:15</p><p><span id="click" >瀏覽次數：3次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="qtaws0j" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">晉迅緊固件（上海）有限公司</a></p><p><span>聯系人：</span>陳帥</p><p><span>郵箱: </span>sales@gemx.cn</p><p><span>電話: </span>15858568787</p><p><span>傳真: </span>021_</p><p><span>網址: </span>http://jinxunjingujian.shop.88360.com</p><p><span>手機: </span>021-52236587</p><p><span>地址: </span>蘇虹路333號215-6室</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="vssnmg0" class="page-proshow02"><p class="title">詳細說明</p><div id="8dumzc5" class="box"><p><p style="text-indent:25px">**度的螺栓連接具有施工簡單、受力性能好、可拆換、耐疲勞、以及在動力荷載作用下不致松動等優(yōu)點，是很有發(fā)展前途的連接方法。 **度螺栓是用特制的扳手上緊螺帽，使螺栓產生巨大而又受控制的預拉力，通過螺帽和墊板，對被連接件也產生了同樣大小的預壓力。在預壓力作用下，沿被連接件表面就會產生較大的摩擦力，顯然，只要軸力小于此摩擦力，螺絲廠家，構件便不會滑移，連接就不會受到破壞，這就是**度螺栓連接的原理。 **度螺栓連接是靠連接件接觸面間的摩擦力來阻止其相互滑移的，為使接觸面有足夠的摩擦力，螺絲廠家，螺絲廠家，就必須提高構件的夾緊力和增大構件接觸面的摩擦系數。螺栓M表示“公制，米制”螺紋。螺絲廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="螺絲廠家,螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103915126101/3172399.png"></div><p style="text-indent:25px">普通螺栓按照制作精度可分為A、B、C三個等級，A、B級為精制螺栓，C級為粗制螺栓。對于鋼結構用連接螺栓，除特別注明外，一般為普通粗制C級螺栓。不同的級次加工的方法存在差異，通常對應加工方式如下： ①A、B級螺栓的栓桿由車床加工而成，表面光滑，尺寸精確，其材料性能等級為8.8級，制作安裝復雜，價格較高，很少采用; ②C級螺栓用未加工的圓鋼制成，尺寸不夠精確，其材料性能等級為4.6級或4.8級?？辜暨B接時變形大，但安裝方便，生產成本低，多用于抗拉連接或安裝時的臨時固定。平頭內六角螺絲生產廠螺栓的作用可為謂“四兩撥千斤”。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="螺絲廠家,螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103855184036/215019.png"></div><p style="text-indent:25px">螺栓為什么要兩端倒角呢？倒角是機械工程上的術語.比如說在一塊木板上鉆眼,完成后孔壁和板面為90度直角。倒角就是在那個90度的棱上面再弄一個一般為45度的小平面,這樣這個平面和內壁,或者和板面之間就都是45度了。這樣做的好處是使在向孔里插東西的時候不至于被卡住,更方便些。那么螺栓為什么要兩端倒角呢，好處是什么。下面小編要為大家介紹一下了。一、螺栓兩端倒完角以后可以去掉刻料時的翹角，在一定程度上可以降低螺栓與螺母鏈接時更順暢的擰入到螺栓里，尤其是細扣螺栓必須要兩端倒角。二、螺栓倒角以后外觀上更好更精致，深受客戶的歡迎。</p><p style="text-indent:25px">螺栓廠家在對螺栓產品表面處理的時候，能夠確保螺紋在互換性方面的情況也成為了不可以忽視的一部分。人們還應該注意的則是，產品在防腐蝕方面的處理效果也成為了很重要的一部分。只有能夠認真的來考慮起來，這樣生產中的情況才能夠是很好的。通過螺栓廠家對于表面處理知識的分享之后，各位購買者也能夠對于產品整體表面的情況很認真的來分析。并且在購買產品的時候，能夠遵循相應的產品生產標準是很有必要的，遵守了這些標準之后，較終在生產的效果情況才能夠很好。<br />螺栓的螺紋可與螺帽結合。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="螺絲廠家,螺栓" src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388103977810875/6719938.png"></div><p style="text-indent:25px">螺栓用途：1、bm=1d雙頭螺柱一般用于兩個鋼制被連接件之間的連接;bm=1.25d和bm=1.5d雙頭螺柱一般用于鑄鐵制被連接件與鋼制被連接件之間的連接;bm=2d雙頭螺柱一般用于鋁合金制被連接件與鋼制被連接件之間的連接。上述前一種連接件帶有內螺紋孔,后一種連接件帶有通孔。 2、等長雙頭螺柱兩端螺紋均需與螺母、墊圈配合,用于兩個帶有通孔的被連接件。焊接螺柱一端焊接于被連接件表面上,另一端(螺紋端)穿過帶通孔的被連接件,然后套上墊圈,擰上螺母,使兩個被連接件連接成為一件整體。熱處理螺栓就要在未部切一個直徑的面上大硬度，硬度測試在面上的1/2R處，硬度符合標準。螺絲廠家</p><p style="text-indent:25px">短地腳螺栓，它與基礎澆灌在一起，用來固定沒有強烈振動和沖擊的設備。螺絲廠家</p><p> 法蘭螺栓(DIN6921/GB5787)連接具有安裝簡便、迅速、能裝能拆和承壓高、受力性能好、安全可靠等優(yōu)點。它的特點是：改善結構受力情況。采用摩擦型**度螺栓連接所受的力靠鋼板表面的磨擦力傳遞，傳遞力的面積大、應力集中現象得到改善，進步了構件的疲憊強度。螺栓用量少。**度螺栓承載能力大、一個直徑d＝22mm的法蘭螺栓的承載能力比一個22mm直徑的普通螺栓的承載能力高約18％，在受力相同的情況下，**度螺栓的數目相對比鉚釘數目少。螺絲廠家</p><p style="text-indent:25px">晉迅緊固件（上海）有限公司致力于五金、工具，以科技創(chuàng)新實現***管理的追求。晉迅緊固件作為緊固件、五金制品、鐵道扣件、鋼材、鑄造件、機械設備及零配件、五金交電、裝配工具、電子產品、普通勞保用品、摩托車及零配件、汽車配件及用品、化工產品（除危險化學品、監(jiān)控化學品、煙花爆竹、民用物品、易制毒化學品）、機電產品的零售和批發(fā)，電子商務（不得從事金融業(yè)務），從事貨物及技術的進出口業(yè)務，從事緊固件及裝配工具、計算機應用軟件科技領域內的技術開發(fā)、技術轉讓、技術咨詢、技術服務、商務信息咨詢，供應鏈管理。的企業(yè)之一，為客戶提供良好的緊固件，熱鍍鋅，螺絲，螺母。晉迅緊固件始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。晉迅緊固件始終關注五金、工具市場，以敏銳的市場洞察力，實現與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2549429.html</p></div></div></div></div></div><div id="ajts0ya" class="page-right twoColRt"><div id="hnmbfhz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rieoci5" 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="h5fk0sp" 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="no0j5zg" 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桶自動灌裝機生產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桶自動灌裝機生產廠歡迎來電溫州奧基智能科技供應</p></a></div><div id="50se5ix" 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="烏魯木齊市會務租車網車永捷供應" 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車永捷供應</p></a></div><div id="qazcp8n" class="clear"></div></div><div id="jworwnp" class="box01 box03"><h3><a href="http://www.cdcfah.com/xw/">***產品資訊</a></h3><ul></ul></div></div></section><div id="f5f0lui" class="page-proshow02"><p class="title">本企業(yè)其它產品 <span style="float:right;"><a >更多>></a></span></p><div id="buqkuq0" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/2112676.html"><div id="oi0ufky" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388104574871594/7592128.png" alt="六角螺母代理信息推薦晉迅緊固件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>六角螺母代理信息推薦晉迅緊固件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/2112677.html"><div id="l80uqkc" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388105590740650/4878201.png" alt="進口墊圈供應歡迎來電晉迅緊固件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>進口墊圈供應歡迎來電晉迅緊固件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/2112678.html"><div id="0dpovih" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388104492019891/5122528.png" alt="東莞加長螺帽推薦咨詢晉迅緊固件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>東莞加長螺帽推薦咨詢晉迅緊固件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/2112679.html"><div id="ywgk5yz" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388104386414678/1726060.png" alt="薄型螺帽定制誠信互利晉迅緊固件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>薄型螺帽定制誠信互利晉迅緊固件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/2112739.html"><div id="fa8y0lv" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388105495408637/4187855.png" alt="浙江墊圈誠信經營晉迅緊固件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>浙江墊圈誠信經營晉迅緊固件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/2112740.html"><div id="uaeul5x" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388105683816750/9160724.png" alt="銅密封墊片生產廠值得信賴晉迅緊固件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>銅密封墊片生產廠值得信賴晉迅緊固件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/2112741.html"><div id="xzkyf0u" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388105547488597/2385589.png" alt="四川墊片采購誠信為本晉迅緊固件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>四川墊片采購誠信為本晉迅緊固件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/2112742.html"><div id="vjinu8q" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/jinxunjingujian/637388104457791314/6039944.png" alt="南京螺母求購客戶至上晉迅緊固件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南京螺母求購客戶至上晉迅緊固件供應</p></a></li></ul></div></div><div id="vn5pqg0" class="page-proshow02"><p class="title">同類產品推薦 <span><a href="http://www.cdcfah.com/cp/first-_wjgj/">更多>></a></span></p><div id="3xlzo5c" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/945722.html"><div id="l0eo5n5" class="reImg"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/besdfj/637225383579628906/5648470.jpg" alt="上海質量DIN6912廠家直供和諧共贏栢爾斯道弗供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>上海質量DIN6912廠家直供和諧共贏栢爾斯道弗供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1671024.html"><div id="x35apy5" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/gxxfty0013/637389547995601986/1660612.jpg" alt="曲靖螺栓柳州市華僑緊固件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>曲靖螺栓柳州市華僑緊固件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/29797.html"><div id="vg3oy5o" class="reImg"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/besdfj/637214438530810547/9912393.jpg" alt="浙江**C3-80螺栓推薦貨源歡迎來電栢爾斯道弗供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>浙江**C3-80螺栓推薦貨源歡迎來電栢爾斯道弗供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1388953.html"><div id="dkhhjmh" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/ksdhhy/637345561735996094/3256150.png" alt="江西馬車螺栓生產銷售廠家昆山東徽恒業(yè)精密五金供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江西馬車螺栓生產銷售廠家昆山東徽恒業(yè)精密五金供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1293071.html"><div id="repdz0b" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/ksdhhy/637345560753925781/9323347.png" alt="南通熱鍍鋅螺栓螺母昆山東徽恒業(yè)精密五金供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>南通熱鍍鋅螺栓螺母昆山東徽恒業(yè)精密五金供應</p></a></li><li><a href="http://www.cdcfah.com/cp/3202587.html"><div id="zqia5sj" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/besdfj/2019/5/636945454556054138/6369454545560541389801695.png" alt="江蘇官方進口A4-80緊固件鑄造輝煌栢爾斯道弗供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>江蘇官方進口A4-80緊固件鑄造輝煌栢爾斯道弗供應</p></a></li><li><a href="http://www.cdcfah.com/cp/834391.html"><div id="brjxs5a" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/SZSGTWJ/637320772402792969/8505821.png" alt="廣東膨脹螺栓原理信息推薦深圳盛固特五金制品供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>廣東膨脹螺栓原理信息推薦深圳盛固特五金制品供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1671025.html"><div id="r035yx8" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/gxxfty0013/637389547992545302/9944589.jpg" alt="郴州螺栓廠家柳州市華僑緊固件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>郴州螺栓廠家柳州市華僑緊固件供應</p></a></li></ul></div></div></section></section><footer class="footer"><div id="tcacc50" 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/">產品供應</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/">展會信息</a> | <a href="http://www.cdcfah.com/sitemap.html">網站地圖</a> | </p><p><p><p>b2b網站_b2b電子商務平臺【買產品】-上海口乞食品有限公司??<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://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="x0ewl" class="pl_css_ganrao" style="display: none;"><strong id="x0ewl"><abbr id="x0ewl"><strong id="x0ewl"><sub id="x0ewl"></sub></strong></abbr></strong><dfn id="x0ewl"><optgroup id="x0ewl"></optgroup></dfn><small id="x0ewl"></small><pre id="x0ewl"><tbody id="x0ewl"><td id="x0ewl"></td></tbody></pre><option id="x0ewl"><em id="x0ewl"><mark id="x0ewl"></mark></em></option><tt id="x0ewl"></tt><listing id="x0ewl"><noframes id="x0ewl"><b id="x0ewl"></b></noframes></listing><abbr id="x0ewl"></abbr><source id="x0ewl"></source><dl id="x0ewl"></dl><dfn id="x0ewl"><ul id="x0ewl"><acronym id="x0ewl"></acronym></ul></dfn><tbody id="x0ewl"></tbody><acronym id="x0ewl"></acronym><optgroup id="x0ewl"></optgroup><tr id="x0ewl"><button id="x0ewl"></button></tr><ruby id="x0ewl"><progress id="x0ewl"><blockquote id="x0ewl"><tr id="x0ewl"></tr></blockquote></progress></ruby><menu id="x0ewl"></menu><b id="x0ewl"><delect id="x0ewl"><sup id="x0ewl"></sup></delect></b><del id="x0ewl"><center id="x0ewl"><font id="x0ewl"><pre id="x0ewl"></pre></font></center></del><dl id="x0ewl"><var id="x0ewl"></var></dl><wbr id="x0ewl"><strike id="x0ewl"><label id="x0ewl"><fieldset id="x0ewl"></fieldset></label></strike></wbr><acronym id="x0ewl"></acronym><tr id="x0ewl"><fieldset id="x0ewl"><dfn id="x0ewl"><code id="x0ewl"></code></dfn></fieldset></tr><ul id="x0ewl"></ul><fieldset id="x0ewl"><dfn id="x0ewl"><fieldset id="x0ewl"></fieldset></dfn></fieldset><table id="x0ewl"><tbody id="x0ewl"><rp id="x0ewl"></rp></tbody></table><object id="x0ewl"><ol id="x0ewl"></ol></object><tt id="x0ewl"></tt></del></noscript><legend id="x0ewl"><style id="x0ewl"></style></legend><form id="x0ewl"></form><listing id="x0ewl"><strong id="x0ewl"></strong></listing><dl id="x0ewl"></dl><acronym id="x0ewl"></acronym><dfn id="x0ewl"><style id="x0ewl"><dfn id="x0ewl"></dfn></style></dfn><label id="x0ewl"><object id="x0ewl"><abbr id="x0ewl"></abbr></object></label><label id="x0ewl"></label><ol id="x0ewl"><legend id="x0ewl"></legend></ol><video id="x0ewl"><center id="x0ewl"><thead id="x0ewl"><center id="x0ewl"></center></thead></center></video><del id="x0ewl"></del><strike id="x0ewl"></strike><output id="x0ewl"></output><optgroup id="x0ewl"></optgroup><font id="x0ewl"><menuitem id="x0ewl"><thead id="x0ewl"><ol id="x0ewl"></ol></thead></menuitem></font><thead id="x0ewl"><pre id="x0ewl"><tbody id="x0ewl"><td id="x0ewl"></td></tbody></pre></thead><tr id="x0ewl"></tr><optgroup id="x0ewl"></optgroup><button id="x0ewl"><font id="x0ewl"><u id="x0ewl"><font id="x0ewl"></font></u></font></button><th id="x0ewl"><dfn id="x0ewl"></dfn></th><menuitem id="x0ewl"></menuitem><mark id="x0ewl"></mark><strong id="x0ewl"></strong><nobr id="x0ewl"></nobr><cite id="x0ewl"><thead id="x0ewl"><cite id="x0ewl"><input id="x0ewl"></input></cite></thead></cite><fieldset id="x0ewl"><dfn id="x0ewl"></dfn></fieldset><dd id="x0ewl"></dd><legend id="x0ewl"></legend><acronym id="x0ewl"><input id="x0ewl"></input></acronym><tbody id="x0ewl"><pre id="x0ewl"><tbody id="x0ewl"><td id="x0ewl"></td></tbody></pre></tbody><center id="x0ewl"><object id="x0ewl"><ol id="x0ewl"></ol></object></center><thead id="x0ewl"></thead><b id="x0ewl"></b><u id="x0ewl"><video id="x0ewl"><center id="x0ewl"><delect id="x0ewl"></delect></center></video></u><pre id="x0ewl"><var id="x0ewl"></var></pre><var id="x0ewl"><video id="x0ewl"><dfn id="x0ewl"></dfn></video></var><ol id="x0ewl"><legend id="x0ewl"><sup id="x0ewl"><nobr id="x0ewl"></nobr></sup></legend></ol><thead id="x0ewl"></thead><s id="x0ewl"></s><sup id="x0ewl"></sup><bdo id="x0ewl"></bdo><dl id="x0ewl"></dl><ol id="x0ewl"><legend id="x0ewl"><strong id="x0ewl"><pre id="x0ewl"></pre></strong></legend></ol><option id="x0ewl"></option><small id="x0ewl"></small><abbr id="x0ewl"><abbr id="x0ewl"><form id="x0ewl"><pre id="x0ewl"></pre></form></abbr></abbr><table id="x0ewl"><dfn id="x0ewl"><table id="x0ewl"><pre id="x0ewl"></pre></table></dfn></table><dfn id="x0ewl"><style id="x0ewl"></style></dfn><delect id="x0ewl"></delect><big id="x0ewl"><form id="x0ewl"><div id="x0ewl"><acronym id="x0ewl"></acronym></div></form></big><li id="x0ewl"><thead id="x0ewl"><cite id="x0ewl"><input id="x0ewl"></input></cite></thead></li><s id="x0ewl"><table id="x0ewl"><var id="x0ewl"></var></table></s><del id="x0ewl"></del><u id="x0ewl"><pre id="x0ewl"></pre></u><thead id="x0ewl"></thead><ins id="x0ewl"></ins><th id="x0ewl"></th><abbr id="x0ewl"></abbr><track id="x0ewl"><u id="x0ewl"></u></track><menu id="x0ewl"><code id="x0ewl"><tt id="x0ewl"></tt></code></menu><pre id="x0ewl"><ul id="x0ewl"><dfn id="x0ewl"></dfn></ul></pre><u id="x0ewl"><font id="x0ewl"><center id="x0ewl"><font id="x0ewl"></font></center></font></u><dl id="x0ewl"><strike id="x0ewl"><label id="x0ewl"><nav id="x0ewl"></nav></label></strike></dl><small id="x0ewl"></small><noframes id="x0ewl"><center id="x0ewl"><object id="x0ewl"><ol id="x0ewl"></ol></object></center></noframes><table id="x0ewl"><dfn id="x0ewl"></dfn></table><tfoot id="x0ewl"><progress id="x0ewl"></progress></tfoot><pre id="x0ewl"><thead id="x0ewl"><cite id="x0ewl"></cite></thead></pre><table id="x0ewl"><dfn id="x0ewl"><tbody id="x0ewl"><pre id="x0ewl"></pre></tbody></dfn></table><ul id="x0ewl"></ul></div></html>