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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="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085247_714047_procont.jpg" style="" title="085247_714047_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085250_542939_procont.jpg" style="" title="085250_542939_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085401_185089_procont.jpg" style="" title="085401_185089_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085405_557757_procont.jpg" style="" title="085405_557757_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085409_124315_procont.jpg" style="" title="085409_124315_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085412_166898_procont.jpg" style="" title="085412_166898_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085416_001011_procont.jpg" style="" title="085416_001011_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085419_377759_procont.jpg" style="" title="085419_377759_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085422_747673_procont.jpg" style="" title="085422_747673_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085428_212076_procont.jpg" style="" title="085428_212076_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085433_116901_procont.jpg" style="" title="085433_116901_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085436_303904_procont.jpg" style="" title="085436_303904_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085443_393434_procont.jpg" style="" title="085443_393434_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/02/02/085446_401676_procont.jpg" style="" title="085446_401676_procont.jpg"/></p><p><img src="https://img1.cnpowder.com.cn/img/daily/2024/04/29/132816_812577_procont.jpg" title="132816_812577_procont.jpg" alt="粉体�?jpg"/></p><p>在水泥或陶瓷材料制造中，需要对粘土的颗粒分布、球磨泥浆细度进行测定，也需要真密度的数据、�/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;"> 密度是物质的物理特性之一，不同物质的密度一般不同，反映了不同物质的不同性质，因此，可以根据密度来鉴别物质� </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="https://img1.cnpowder.com.cn/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"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); 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