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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><img src="//www.znpla.com/img1/img/daily/2024/01/23/132343_793183_procont.jpg" style="" title="132343_793183_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132346_794340_procont.jpg" style="" title="132346_794340_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132357_611233_procont.jpg" style="" title="132357_611233_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132400_425345_procont.jpg" style="" title="132400_425345_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132403_932336_procont.jpg" style="" title="132403_932336_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132406_787952_procont.jpg" style="" title="132406_787952_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132413_836445_procont.jpg" style="" title="132413_836445_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132416_856222_procont.jpg" style="" title="132416_856222_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132419_915681_procont.jpg" style="" title="132419_915681_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132422_940049_procont.jpg" style="" title="132422_940049_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132427_746831_procont.jpg" style="" title="132427_746831_procont.jpg"/></p><p><img src="//www.znpla.com/img1/img/daily/2024/01/23/132432_069936_procont.jpg" style="" title="132432_069936_procont.jpg"/></p><p><span style="font-size:16px;font-family:'微软雅黑','sans-serif'">通过材料设计和结构设计，可以优化材料的热膨胀系数。例如，采用蜂窝状结构或夹层结构等设计，可以降低整体材料的热膨胀系数，从而提高其机械性能和热学性能、�/span></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;"> 碳材料膨胀系数测试仪外壳采用钣金工艺制造，产品表面采用环保无污染的静电喷塑技术，大大提高产品的耐磨、耐腐蚀性能。该仪器所用仪表及其控制元件均严格测试，确保各项数据稳定，准确、可靠。采用可编程序逻辑控制器（PLC）控制，实验过程和数据全智能化处理；通过软件可实现远程监控和数据分析。该款产品采用智能化的人机交互界面，进一步简化操作步骤；高精度，智能化的测量技术，大大提升企业产品测试效率� </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 class="xgfa_cont"><a href="//www.znpla.com/huayan2021/solution_333.html" target="_blank" class="xgfa_cont_img"><img src="//www.znpla.com/img1/img/daily/2021/11/22/140453_790664_solution_25872.jpg"/></a> <div class="xgfa_cont_rig"><a href="//www.znpla.com/huayan2021/solution_333.html" target="_blank">体积电阻率和表面电阻率有什么不吋�/a> <p class="xgfa_cont_txt">首先*步需要测试体积电阻值和表面电阻值，然后根据试样的尺寸和电极系数，根据计算公式得到体积电阻率和表面电阻率，体积和表面电阻测试时，对电压试样的位置不同，从而能够不同的电阻值在接和未接试样时电容的变化</p><div class="xgfa_cont_time"> <span>石油/化工</span><p>2021-11-22</p></div></div></div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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