球形彈簧現(xiàn)價信息推薦寧波韻升彈性元件供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="較近也研究了用高頻感應加熱處理**度彈簧鋼絲的工藝。冷拉鋼絲在連續(xù)感應加熱裝置上進行淬火和回火，其內(nèi)部組織均勻、細小，塑性和韌性以及彈減抗力、疲勞極限、斷裂韌性等都明顯優(yōu)于常規(guī)處理的鋼絲。這種鋼絲在美國，球形彈簧現(xiàn)價、日本都已有生產(chǎn)，制造汽"><meta name="keywords" content="球形彈簧現(xiàn)價,卷簧"><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="tzstj" class="pl_css_ganrao" style="display: none;"><ul id="tzstj"><dd id="tzstj"><pre id="tzstj"><strong id="tzstj"></strong></pre></dd></ul><em id="tzstj"></em><strong id="tzstj"><label id="tzstj"></label></strong><menuitem id="tzstj"><listing id="tzstj"></listing></menuitem><button id="tzstj"></button><sup id="tzstj"><dd id="tzstj"><tbody id="tzstj"><ol id="tzstj"></ol></tbody></dd></sup><rt id="tzstj"></rt><nobr id="tzstj"></nobr><strike id="tzstj"><rp id="tzstj"></rp></strike><ul id="tzstj"></ul><sub id="tzstj"><label id="tzstj"></label></sub><xmp id="tzstj"><span id="tzstj"><label id="tzstj"></label></span></xmp><pre id="tzstj"></pre><strong id="tzstj"><address id="tzstj"><form id="tzstj"></form></address></strong><pre id="tzstj"></pre><em id="tzstj"><style id="tzstj"></style></em><dd id="tzstj"></dd><sup id="tzstj"><optgroup id="tzstj"></optgroup></sup><th id="tzstj"><button id="tzstj"><object id="tzstj"><meter id="tzstj"></meter></object></button></th><sup id="tzstj"><dd id="tzstj"><pre id="tzstj"></pre></dd></sup><strike id="tzstj"><rp id="tzstj"><nav id="tzstj"></nav></rp></strike><ol id="tzstj"></ol><s id="tzstj"><progress id="tzstj"></progress></s><th id="tzstj"></th><tr id="tzstj"><div id="tzstj"></div></tr><sup id="tzstj"><font id="tzstj"><tbody id="tzstj"></tbody></font></sup><ul id="tzstj"></ul><sup id="tzstj"><dd id="tzstj"><tbody id="tzstj"><ol id="tzstj"></ol></tbody></dd></sup><var id="tzstj"><address id="tzstj"><strong id="tzstj"></strong></address></var><p id="tzstj"></p><thead id="tzstj"><ruby id="tzstj"><ol id="tzstj"></ol></ruby></thead><abbr id="tzstj"></abbr><sup id="tzstj"><font id="tzstj"><pre id="tzstj"></pre></font></sup><sub id="tzstj"><label id="tzstj"><progress id="tzstj"></progress></label></sub><style id="tzstj"></style><thead id="tzstj"><abbr id="tzstj"><strike id="tzstj"><font id="tzstj"></font></strike></abbr></thead><video id="tzstj"></video><del id="tzstj"></del><optgroup id="tzstj"></optgroup><pre id="tzstj"><label id="tzstj"></label></pre><ruby id="tzstj"></ruby><pre id="tzstj"></pre><pre id="tzstj"></pre><code id="tzstj"></code><option id="tzstj"></option><acronym id="tzstj"></acronym><th id="tzstj"><button id="tzstj"></button></th><big id="tzstj"></big><b id="tzstj"></b></div><header class="header container"><span id="8d8hxif" 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="5o47w8q" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務平臺 </span><div id="43bvln3" class="searchbox"><div id="ztl8i2y" class="searchLt"><div id="cb8r3h8" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="oxcwfrd" class="clearfix searchWrap"><div id="zd7jtfh" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(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="jixoaxo" 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</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="azb77rg" class="twoCol"><div id="pt7byub" 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(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_danhuang/">彈簧</a>?<a href="http://www.cdcfah.com/cp/third-danhuang_qtdh/">其他彈簧</a>?球形彈簧現(xiàn)價信息推薦寧波韻升彈性元件供應</p><div id="crt39e2" class="leftbox clearfix"><h1>球形彈簧現(xiàn)價信息推薦寧波韻升彈性元件供應</h1><div id="q7sk3fe" class="proBig"><div id="fmodur2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359498285517578/7948191.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="azwjq37" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359498285517578/7948191.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bvxk33q" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>球形彈簧現(xiàn)價,卷簧</p><p><span>***更新：</span>2020-11-12 04:17:48</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="p3cj2vs" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波韻升彈性元件有限公司</a></p><p><span>聯(lián)系人：</span>楊素紅</p><p><span>郵箱: </span>2350512603@qq.com</p><p><span>電話: </span>13615743001</p><p><span>傳真: </span>0574_</p><p><span>網(wǎng)址: </span>http://www.yselastic.com</p><p><span>手機: </span>0574-27861715</p><p><span>地址: </span>慈城鎮(zhèn)皇吉浦路282號</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="jtlifuq" class="page-proshow02"><p class="title">詳細說明</p><div id="84o8eie" class="box"><p><p style="text-indent:25px">較近也研究了用高頻感應加熱處理**度彈簧鋼絲的工藝。冷拉鋼絲在連續(xù)感應加熱裝置上進行淬火和回火，其內(nèi)部組織均勻、細小，塑性和韌性以及彈減抗力、疲勞極限、斷裂韌性等都明顯優(yōu)于常規(guī)處理的鋼絲。這種鋼絲在美國，球形彈簧現(xiàn)價、日本都已有生產(chǎn)，制造汽車、摩托車的懸掛彈簧、發(fā)動機閥門彈簧，卡車、拖車等的緊急制動彈簧及各種**度機械彈簧，使用效果令人滿意。另外，感應加熱處理在彈簧扁鋼生產(chǎn)上也得到應用。還有一種鋼絲生產(chǎn)工藝，即鉛浴等溫淬火。鋼材奧氏體化后在鉛浴中等溫，生成細小珠光體組織，球形彈簧現(xiàn)價，然后冷拉到規(guī)定尺寸。通過調(diào)整鋼中碳含量和冷變形量控制鋼絲的力學性能，制簧后不需熱處理，只要消除加工應力即可使用。應用這種工藝生產(chǎn)的都是碳素鋼鋼絲，但也有少數(shù)合金鋼（如65Mn）鋼絲，球形彈簧現(xiàn)價。卷簧的使用不如扭簧普遍，主要原因是制作復雜。球形彈簧現(xiàn)價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="球形彈簧現(xiàn)價,卷簧" src="https://tyunfile.71360.com/UploadFile/yunshen/637359498285517578/7948191.png"></div><p style="text-indent:25px">熱軋彈簧鋼材有圓鋼、方鋼、扁鋼等。鋼材表面質(zhì)量要求較高，可以熱軋態(tài)交貨或者經(jīng)熱處理后交貨，以保證硬度不超過規(guī)定值，便于制簧。熱軋材可以冷態(tài)制成螺旋彈簧，對于截面尺寸較大者需加熱后制成彈簧。彈簧成型后再經(jīng)淬火、中溫回火，回火溫度約為350～550℃，以獲得較高屈強比和良好的綜合力學性能。因熱軋材截面尺寸較大，故應采用淬透性足夠高的牌號，保證心部淬透。若心部出現(xiàn)非馬氏體轉(zhuǎn)變產(chǎn)物，如鐵素體、貝氏體等，則回火后的性能降低，特別是疲勞性能。冷拉（軋）彈簧鋼材包括鋼絲、鋼帶。這類鋼材的表面質(zhì)量和尺寸精度要求格外嚴格。鋼絲的生產(chǎn)工藝有油淬火和冷拉兩種。彈簧筒商家熱軋彈簧鋼材有圓鋼、方鋼、扁鋼等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="球形彈簧現(xiàn)價,卷簧" src="https://tyunfile.71360.com/UploadFile/yunshen/637359498381845703/5578380.png"></div><p style="text-indent:25px">氣囊卷簧、氣囊線圈、氣囊游絲這三個其實是一個件,只不過是叫法不同。用來連接主氣囊（方向盤上那個）與氣囊線束，其實就是一段線束。因為主氣囊要隨方向盤轉(zhuǎn)動，（可以想像成一根有一定長度的線束，纏繞在方向盤轉(zhuǎn)向軸上，在隨方向盤轉(zhuǎn)動時可以適時的反向松開或者繞的更緊，但它也是有極限的，要保證方向盤往左or右打死時，線束不能被拉斷,喇叭線也在其中）所以連接線束要留有余量，要保證方向盤向一側(cè)轉(zhuǎn)到極限位置而不被拉斷。這一點在安裝時是特別需注意的，盡量讓其保證在中間位置。</p><p style="text-indent:25px">合金元素在彈簧鋼中的主要作用是提高力學性能、改善工藝性能及賦予某些特殊性能（如耐高溫、耐蝕）等。很多彈簧鋼以硅為主要合金元素，它是對彈減抗力影響較大的合金元素，這主要是由于硅具有強烈的固溶強化作用；同時，硅能抵御滲碳體在回火過程中的晶核形成和長大，改變回火時析出碳化物的數(shù)量、尺寸和形態(tài)，提高鋼的回火穩(wěn)定性。國內(nèi)鋼材牌號中wsi為1.8%～2.2%，是現(xiàn)有標準中含硅較高的彈簧鋼。但硅含量如果過高，將促進鋼在軋制和熱處理過程中的脫碳和石墨化傾向，并且使冶煉困難和易形成夾雜物，因此，過高硅含量彈簧鋼的使用仍需慎重。氣彈簧特點：根據(jù)其特點及應用領(lǐng)域的不同，氣彈簧又被稱為支撐桿、氣支撐、調(diào)角器、氣壓棒、阻尼器等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="球形彈簧現(xiàn)價,卷簧" src="https://tyunfile.71360.com/UploadFile/yunshen/637359498487207031/7375230.png"></div><p style="text-indent:25px">油淬火鋼絲是把鋼絲冷拔到規(guī)定尺寸后再加熱、油淬火和鉛浴回火，故鋼絲出廠時已具備所需力學性能，制成彈簧后只要回火，消除應力即可使用。優(yōu)點是整批性能均勻，穩(wěn)定，挺直性好，適于大批量生產(chǎn)，可制造各種重要彈簧，特別是閥門彈簧。牌號有65Mn、50CrVA、60Si2Mn、55CrSi等。合金彈簧鋼絲也可以冷拉態(tài)交貨，或經(jīng)退火、正火、回火處理后交貨，制成彈簧后再淬火、回火。其性能不如油淬火鋼絲均勻、穩(wěn)定，生產(chǎn)效率也低，成本高，多用于小批量彈簧生產(chǎn)。彈簧的一般來說應具有高的彈性極限、疲勞極限、沖擊韌性及良好的耐熱耐腐蝕性能等。球形彈簧現(xiàn)價</p><p style="text-indent:25px">不銹鋼彈簧同彈簧一樣是機械和電子行業(yè)中破冰行動使用的一種彈性元件。球形彈簧現(xiàn)價</p><p style="text-indent:25px">冷卷彈簧和熱卷彈簧有什么區(qū)別？主要是生產(chǎn)工藝不同，以壓縮彈簧為例：熱卷彈簧典型工藝：落料---端頭加工（軋扁或鍛扁）---加熱---卷簧---淬火---回火---磨端面---壓縮---（負荷測試）---噴丸（清理）---涂裝。冷卷彈簧使用不需要熱處理的材料卷制，點行工藝：卷制→去應力退火→兩端面磨削→（拋丸）、（校整）、（去應力退火）→立定或強壓處理→檢驗→表面防腐處理。熱卷彈簧主要用于大型彈簧的卷制，加熱后容易扭曲成形，回彈性較小，成型后需淬火后回火處理。冷卷彈簧直接用彈簧鋼絲卷繞，回彈性較大，卷繞工具需考慮回彈補償量，卷成后直接回火處理。球形彈簧現(xiàn)價</p><p style="text-indent:25px">寧波韻升彈性元件有限公司位于慈城鎮(zhèn)皇吉浦路282號。寧波韻升致力于為客戶提供良好的卷簧，彈簧，平面渦卷彈簧，繞管器發(fā)條，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠信為本的經(jīng)營理念，在五金、工具深耕多年，以技術(shù)為先導，以自主產(chǎn)品為重點，發(fā)揮人才優(yōu)勢，打造五金、工具良好品牌。寧波韻升立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術(shù)理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1953506.html</p></div></div></div></div></div><div id="m3rgrta" class="page-right twoColRt"><div id="zoli8zr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ku8oln2" 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="8pd74ce" 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="lfheqsp" 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(chǎn)廠歡迎來電溫州奧基智能科技供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>200l桶自動灌裝機生產(chǎn)廠歡迎來電溫州奧基智能科技供應</p></a></div><div id="rwyvx77" 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(wǎng) 車永捷供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>烏魯木齊市會務租車網(wǎng) 車永捷供應</p></a></div><div id="hlyvczl" class="clear"></div></div><div id="ot37elx" 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="apm3vm3" 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="rv8segd" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/1389179.html"><div id="2poqs39" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359499612783203/4881897.png" alt="連云港高精度彈簧廠家直銷價服務為先寧波韻升彈性元件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>連云港高精度彈簧廠家直銷價服務為先寧波韻升彈性元件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1389180.html"><div id="nld2dph" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359498381845703/5578380.png" alt="天津發(fā)條卷簧客戶至上寧波韻升彈性元件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>天津發(fā)條卷簧客戶至上寧波韻升彈性元件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1389181.html"><div id="joq7m7q" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359501378554687/239380.png" alt="淮安彈簧鋼材鋼帶歡迎來電寧波韻升彈性元件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>淮安彈簧鋼材鋼帶歡迎來電寧波韻升彈性元件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1390293.html"><div id="j78xu29" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359499478613281/4813017.png" alt="舟山加強彈簧價錢來電咨詢寧波韻升彈性元件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>舟山加強彈簧價錢來電咨詢寧波韻升彈性元件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1394216.html"><div id="sby7tqh" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359499589511719/5835159.png" alt="蘇州汽車渦卷彈簧預定誠信為本寧波韻升彈性元件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>蘇州汽車渦卷彈簧預定誠信為本寧波韻升彈性元件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1394217.html"><div id="kzryahy" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359498861367187/2350286.png" alt="海口小發(fā)條求購和諧共贏寧波韻升彈性元件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>?？谛“l(fā)條求購和諧共贏寧波韻升彈性元件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1394789.html"><div id="wlip7gn" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359499474990234/3152006.png" alt="石家莊大渦卷彈簧規(guī)格和諧共贏寧波韻升彈性元件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>石家莊大渦卷彈簧規(guī)格和諧共贏寧波韻升彈性元件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1394790.html"><div id="etv232m" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359501392529297/7828940.png" alt="通用不銹鋼拉伸鋼帶客戶至上寧波韻升彈性元件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>通用不銹鋼拉伸鋼帶客戶至上寧波韻升彈性元件供應</p></a></li></ul></div></div><div id="3egdp2n" class="page-proshow02"><p class="title">同類產(chǎn)品推薦 <span><a href="http://www.cdcfah.com/cp/first-_jxjxysb/">更多>></a></span></p><div id="laxzbik" class="box box-add clearfix"><ul class="box-list"><li><a href="http://www.cdcfah.com/cp/5701.html"><div id="eoqifhe" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/shqd/2019/10/637055260057787238/6370552600577872387571945.JPG" alt="山西PUR大壓縮量大同彈簧誠信互利上海群島機械供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>山西PUR大壓縮量大同彈簧誠信互利上海群島機械供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1823291.html"><div id="dipwyfh" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/shqd/2019/10/637055259987027580/6370552599870275805562573.JPG" alt="浙江YEL輕小負荷大同彈簧誠信經(jīng)營上海群島機械供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>浙江YEL輕小負荷大同彈簧誠信經(jīng)營上海群島機械供應</p></a></li><li><a href="http://www.cdcfah.com/cp/3197565.html"><div id="tdkc7am" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/shqd/2019/10/637055260057787238/6370552600577872387571945.JPG" alt="四川PUR大壓縮量大同彈簧銷售部客戶至上上海群島機械供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>四川PUR大壓縮量大同彈簧銷售部客戶至上上海群島機械供應</p></a></li><li><a href="http://www.cdcfah.com/cp/3192341.html"><div id="7x73uro" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359498903183594/6518483.png" alt="揚州精密發(fā)條型號歡迎來電寧波韻升彈性元件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>揚州精密發(fā)條型號歡迎來電寧波韻升彈性元件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/3155626.html"><div id="zj8eg7x" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/shqd/2019/10/637055259852767596/6370552598527675963197057.JPG" alt="廣東BLA超重負荷大同彈簧咨詢客戶至上上海群島機械供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>廣東BLA超重負荷大同彈簧咨詢客戶至上上海群島機械供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1959031.html"><div id="8i828cz" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/shqd/2019/10/637055259852767596/6370552598527675963197057.JPG" alt="安徽模具大同彈簧銷售部值得信賴上海群島機械供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>安徽模具大同彈簧銷售部值得信賴上海群島機械供應</p></a></li><li><a href="http://www.cdcfah.com/cp/1390293.html"><div id="qkmt8z8" class="reImg"><img src="https://tyunfile.71360.com/UploadFile/yunshen/637359499478613281/4813017.png" alt="舟山加強彈簧價錢來電咨詢寧波韻升彈性元件供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>舟山加強彈簧價錢來電咨詢寧波韻升彈性元件供應</p></a></li><li><a href="http://www.cdcfah.com/cp/3185390.html"><div id="qprdamo" class="reImg"><img src="http://tyunfile.71360.com/UpLoadFile/shqd/2019/10/637055259852767596/6370552598527675963197057.JPG" alt="北京GRE重負荷大同彈簧業(yè)務部服務為先上海群島機械供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>北京GRE重負荷大同彈簧業(yè)務部服務為先上海群島機械供應</p></a></li></ul></div></div></section></section><footer class="footer"><div id="3y9wyax" 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</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(wǎng)站地圖</a> | </p><p><p><p>b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上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="ol34r" class="pl_css_ganrao" style="display: none;"><em id="ol34r"><small id="ol34r"><tbody id="ol34r"></tbody></small></em><span id="ol34r"><kbd id="ol34r"><dfn id="ol34r"><sub id="ol34r"></sub></dfn></kbd></span><input id="ol34r"><delect id="ol34r"><th id="ol34r"><span id="ol34r"></span></th></delect></input><object id="ol34r"><big id="ol34r"><nobr id="ol34r"><pre id="ol34r"></pre></nobr></big></object><listing id="ol34r"></listing><center id="ol34r"></center><dl id="ol34r"><small id="ol34r"><bdo id="ol34r"></bdo></small></dl><video id="ol34r"></video><dfn id="ol34r"></dfn><address id="ol34r"><kbd id="ol34r"></kbd></address><video id="ol34r"><ol id="ol34r"><b id="ol34r"></b></ol></video><rp id="ol34r"><input id="ol34r"><blockquote id="ol34r"><bdo id="ol34r"></bdo></blockquote></input></rp><ruby id="ol34r"></ruby><tbody id="ol34r"><noframes id="ol34r"><i id="ol34r"><tr id="ol34r"></tr></i></noframes></tbody><span id="ol34r"></span><abbr id="ol34r"><strike id="ol34r"></strike></abbr><noframes id="ol34r"></noframes><pre id="ol34r"><input id="ol34r"></input></pre><tbody id="ol34r"><ol id="ol34r"></ol></tbody><rp id="ol34r"><input id="ol34r"><div id="ol34r"></div></input></rp><optgroup id="ol34r"><fieldset id="ol34r"><thead id="ol34r"></thead></fieldset></optgroup><strike id="ol34r"></strike><del id="ol34r"></del><menu id="ol34r"></menu><optgroup id="ol34r"></optgroup><dd id="ol34r"></dd><sup id="ol34r"></sup><abbr id="ol34r"></abbr><label id="ol34r"></label><address id="ol34r"></address><optgroup id="ol34r"><xmp id="ol34r"><rp id="ol34r"><dl id="ol34r"></dl></rp></xmp></optgroup><center id="ol34r"><tr id="ol34r"><div id="ol34r"><button id="ol34r"></button></div></tr></center><video id="ol34r"><ol id="ol34r"></ol></video><table id="ol34r"></table><form id="ol34r"></form><pre id="ol34r"></pre><s id="ol34r"><progress id="ol34r"><strong id="ol34r"></strong></progress></s><mark id="ol34r"></mark><xmp id="ol34r"><small id="ol34r"><tbody id="ol34r"><small id="ol34r"></small></tbody></small></xmp><font id="ol34r"><pre id="ol34r"><menuitem id="ol34r"><listing id="ol34r"></listing></menuitem></pre></font><wbr id="ol34r"></wbr><kbd id="ol34r"></kbd><u id="ol34r"></u><noframes id="ol34r"></noframes><ol id="ol34r"><xmp id="ol34r"></xmp></ol><small id="ol34r"></small><tt id="ol34r"></tt><s id="ol34r"><progress id="ol34r"><strong id="ol34r"></strong></progress></s><listing id="ol34r"></listing></div></html>