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} }); 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> <span style="color: rgb(51, 51, 51); font-family: Arial; font-size: 18px; background-color: rgb(255, 255, 255);">不锈钢离心泵是广泛应用于化工工业系统的一种通用流体机械。它具有性能适应范围广（包括流量、压头及对输送介质性质的适应性）、体积小、结构简单、操作容易、操作费用低等诸多优点。通常，所选离心泵的流量、压头可能会和管路中要求的不一致，或由于生产任务、工艺要求发生变化，此时都要求对泵进行流量调节，实质是改变离心泵的工作点。离心泵的工作点是由泵的特性曲线和管路系统特性曲线共同决定的，因此，改变任何一个的特性曲线都可以达到流量调节的目的。离心泵的流量调节方式主要有调节阀控制、变速控制以及泵的并、串联调节等。由于各种调节方式的原理不同，除有自己的优缺点外，造成的能量损耗也不一样，为了寻求较佳、能耗较小、较节能的流量调节方式，必须全面地了解离心泵的流量调节方式与能耗之间的关系、�/span></p><p style="text-align: center;"><span style="color: rgb(51, 51, 51); font-family: Arial; font-size: 18px; background-color: rgb(255, 255, 255);"><img src="https://img1.cnpowder.com.cn/img/daily/2023/07/14/170631_467437_procont.jpg" alt="卫生级耐腐蚀管道增压不锈钢离心泵" width="634" height="272" style="width: 634px; height: 272px;"/></span></p><p style="text-align: center;"><span style="color: rgb(51, 51, 51); font-family: Arial; font-size: 18px; background-color: rgb(255, 255, 255);"><img src="https://img1.cnpowder.com.cn/img/daily/2023/07/14/170647_226923_procont.jpg" width="642" height="460" style="width: 642px; height: 460px;"/></span></p><p></p><h3 style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 24px; color: rgb(0, 93, 208); font-family: " Microsoft YaHei"; white-space: normal; background-color: rgb(255, 255, 255);">不锈钢离心泵主要特点</h3><ul style="list-style-type: none;" class=" list-paddingleft-2"><li><p>运行平稳：泵轴的**同心度及叶轮优异的动静平衡，保证平稳运行，绝无振动、�/p></li><li><p>滴水不漏：不同材质的硬质合金密封，保证了不同介质输送均无泄漏、�/p></li><li><p>噪音低：两个低噪音的轴承支撑下的水泵，运转平稳，除电机微弱声响，基本无噪音、�/p></li><li><p>故障率低：结构简单合理，关键部分采用国际一流品质配套，整机无故障工作时间大大提高、�/p></li><li><p>维修方便：更换密封、轴承、简易方便、�/p></li><li><p>占地更省：出口可向左、向右、向上三个方向，便管道布置安装，节省空间、�/p></li></ul><h3 style="padding: 0px; margin: 0px; box-sizing: border-box; font-size: 24px; color: rgb(0, 93, 208); font-family: " Microsoft YaHei"; white-space: normal; background-color: rgb(255, 255, 255);">工作条件</h3><ul style="list-style-type: none;" class=" list-paddingleft-2"><li><p>稀薄、干净、不凝、不爆炸、不含固体颗粒或纤维的液体、�/p></li><li><p>液体温度� 常温型－15℃至+70℃ 热水型+70℃至+110ℂ�/p></li><li><p>环境温度�?40ℂ�/p></li><li><p>运作压力�?0巴 进口压力受 运作压力限制</p></li><li><p>介质酸碱性：PH4~9</p></li></ul><p style="text-align:center"><img src="https://img1.cnpowder.com.cn/img/daily/2023/07/14/170722_128463_procont.jpg" width="638" height="641" style="width: 638px; height: 641px;"/></p><p><span style="color: rgb(51, 51, 51); font-family: Arial; font-size: 18px; background-color: rgb(255, 255, 255);"><br/></span><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;"> 暂无数据� </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="213635" /> <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）">