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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"> <h1 style=";margin-bottom:0;text-align:justify;text-justify: inter-ideograph;line-height:24px;background:white"><span style="font-size: 19px;color: rgb(102, 102, 102)">双级特点９�/span></h1><p><span style="font-size:19px;font-family:宋体;color:#666666;background:white">它是由两�?/span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">LSR</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">系列标准</span><span style="font-size:19px;font-family:宋体;background:white">罗茨鼓风朹�span style="color:#666666">串联而成。当气体进入**级风机升压后，经过中间冷却器将气体温度隆臲�/span></span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">40</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">℃以下，然后进入二级风机继续升压，机�?*升压可达</span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">180kPa</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">。两级风机的主机由同一台电机通过皮带传动或双轴伸电机直联传动、�strong>工作原理９�/strong></span><span style="font-size:19px;font-family:'Times New Roman';color:#666666"><br/> <span style="background:white"> </span></span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">双级三叶</span><span style="font-size:19px;font-family:宋体;background:white">罗茨鼓风朹�span style="color:#666666">是一种由两台</span></span><span style="font-size:14px;font-family:'Times New Roman'"><span style="font-size:19px;font-family:宋体;color:#666666;background:white">罗茨风机</span></span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">串联组成的装置。每台风机箱体内部均有两个转向相反的三叶型转孏�/span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">,</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">每个三叶型转子用两个轴承支撑</span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">,</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">利用一对高精度的同步直齿轮</span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">,</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">使两个转子的相对位置始终保持不变</span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">,</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">转子之间以及转子与箱体之间保持一定的间隙</span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">,</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">无接触旋转。转子在侧箱体同步齿轮的驱动上�/span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">,</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">借助两转子的“啮合“�/span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">,</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">使进气口与出气口相互隔开</span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">,</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">完成箱体和转子间的密闭气体从吸入侧到吐出侧的移送过程。在旋转过程中无内压缩地将工作腔内的气体从进气口推移到出气口。转子与转子、转子与箱体、转子与墙板之间都有微小间隙</span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">,</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">因而工作腔内没有摩�?/span><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white">,</span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">无接触磨损部分、�/span><span style="font-size:19px;font-family:'Times New Roman';color:#666666"><br/> </span><strong><span style="font-size:19px;font-family:宋体;color:#666666;background:white">应用范围９�/span></strong><span style="font-size: 19px;font-family:宋体;color:#666666;background:white">广泛应用于陶瓷、建材、造纸、电业、石油、化工、纺织、水产养殖、污水处理、食品等行业的气力输送系统、�/span><span style="font-size:19px;font-family:'Times New Roman';color:#666666"><br/> </span><strong><span style="font-size:19px;font-family:宋体;color:#666666;background:white">输送介质：</span></strong><span style="font-size:19px;font-family:'Times New Roman';color:#666666;background:white"> </span><span style="font-size:19px;font-family:宋体;color:#666666;background:white">用以输送空气以及各种中性气体。但不适用输送易燃、易爆、有毒和强腐蚀性气体、�/span><span style="font-size:19px;font-family:'Times New Roman';color:#666666"><br/> <br/> </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;"> 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="69022" /> <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）">