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}else{ $(".fixdbox").css({"display":"none"}); } $(".fixdbox_main_left div").css({"color":"#4F5862","border-bottom-color":"transparent"}); if($(this).scrollTop()>=_wsj){ $(".fixdbox_main_left div").eq(6).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_gsdt){ $(".fixdbox_main_left div").eq(5).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_yhpl){ $(".fixdbox_main_left div").eq(4).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgzl){ $(".fixdbox_main_left div").eq(3).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgfa){ $(".fixdbox_main_left div").eq(2).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cxd){ $(".fixdbox_main_left div").eq(1).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cpjj){ $(".fixdbox_main_left div").eq(0).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); } }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p style="padding: 0px; font-family: "Microsoft Yahei", ΢���ź�, Tahoma, Arial, Helvetica, STHeiti; border-width: medium; border-style: none; border-color: initial; margin-top: 0px; margin-bottom: 0px; font-size: 12px; text-size-adjust: none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); word-wrap: break-word; color: rgb(102, 100, 100); white-space: normal;"><span style="font-family: 宋体, SimSun; font-size: 14px;"><strong>产品概述</strong></span></p><p style="padding: 0px; font-family: "Microsoft Yahei", ΢���ź�, Tahoma, Arial, Helvetica, STHeiti; border-width: medium; border-style: none; border-color: initial; margin-top: 0px; margin-bottom: 0px; font-size: 12px; text-size-adjust: none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); word-wrap: break-word; color: rgb(102, 100, 100); white-space: normal;"><span style="font-family: 宋体, SimSun; font-size: 14px;">　　中央循环管式蒸发器结构主要由加热室和蒸发室两部分构成。加热室由竖直管束组成，管束中间有一个直径较大的中央循环管。其工作原理为：原料液经过垂直的加热管面进行换热，细管内单位体积液体传热面积较中央管大，当加热蒸汽通入管外间隙进行加热室，细管内液体更易受热沸腾，产生气泡，而中央循环粗管含气率低，密度差促使溶液产生由中央粗管下降而由细管上升的循环运动，同时液面上的水汽向上部负压空间迅速蒸发，从而达到蒸发浓缩的目的、�/span></p><p style="padding: 0px; font-family: "Microsoft Yahei", ΢���ź�, Tahoma, Arial, Helvetica, STHeiti; border-width: medium; border-style: none; border-color: initial; margin-top: 0px; margin-bottom: 0px; font-size: 12px; text-size-adjust: none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); word-wrap: break-word; color: rgb(102, 100, 100); white-space: normal;"><span style="font-family: 宋体, SimSun; font-size: 14px;">　　我公司生产的中央循环管式蒸发器安全、可靠、蒸发效果好，配有清洗装置，内壁抛光处理，具有方便清洗、不易结垢的特点、�/span></p><p style="padding: 0px; font-family: "Microsoft Yahei", ΢���ź�, Tahoma, Arial, Helvetica, STHeiti; border-width: medium; border-style: none; border-color: initial; margin-top: 0px; margin-bottom: 0px; font-size: 12px; text-size-adjust: none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); word-wrap: break-word; color: rgb(102, 100, 100); white-space: normal; text-align: center;"><img alt="" src="https://img1.cnpowder.com.cn/img/procont/2017/05/0526160721_550855.jpg" style="padding: 0px; margin: 0px; border-width: medium; border-style: none; border-color: initial; outline-style: none; outline-width: medium; resize: none; width: 300px; height: 281px;"/></p><p style="padding: 0px; font-family: "Microsoft Yahei", ΢���ź�, Tahoma, Arial, Helvetica, STHeiti; border-width: medium; border-style: none; border-color: initial; margin-top: 0px; margin-bottom: 0px; font-size: 12px; text-size-adjust: none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); word-wrap: break-word; color: rgb(102, 100, 100); white-space: normal;"><span style="font-family: 宋体, SimSun; font-size: 14px;"><strong>适用范围</strong></span></p><p style="padding: 0px; font-family: "Microsoft Yahei", ΢���ź�, Tahoma, Arial, Helvetica, STHeiti; border-width: medium; border-style: none; border-color: initial; margin-top: 0px; margin-bottom: 0px; font-size: 12px; text-size-adjust: none; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); word-wrap: break-word; color: rgb(102, 100, 100); white-space: normal;"><span style="font-family: 宋体, SimSun; font-size: 14px;">　　中央循环管式蒸发器，作为应用得较早的蒸发设备，其广泛地应用在蒸发过程中有较少晶体出现、物料稍粘稠的蒸发场合，在各类蒸发设备日益发展的今天，中央循环管式蒸发器则更多应用在各种有机溶剂的脱溶蒸馏工序、�/span></p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 中央循环管式蒸发器安全、可靠、蒸发效果好，配有清洗装置，内壁抛光处理，具有方便清洗、不易结垢的特点� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="94321" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">