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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 style="box-sizing: border-box; font-family: arial; margin-top: 0px; margin-bottom: 0px; padding-bottom: 10px; color: rgb(85, 85, 85); white-space: normal; background-color: rgb(255, 255, 255); word-break: break-word !important;">人造金刚石又称实验室培育钻石，人造钻石与天然钻石在化学成分、晶体结构、光学性质和物理性质上没有差别，只是原子结构水平上的差别。实验室制造钻石的概念近几年才进入珠宝市场，许多消费者质疑他们的身份，并一度认为实验室制造的钻石是假货。政府回应说，实验室生产的钻石不是假的、�/p><p style="box-sizing: border-box; font-family: arial; margin-top: 0px; margin-bottom: 0px; padding-bottom: 10px; color: rgb(85, 85, 85); white-space: normal; background-color: rgb(255, 255, 255); word-break: break-word !important;">与天然钻石相比，lab created diamond的大特点是不受限制的产量和低廉的价格。近年来，随着技术的不断进步，labcreated钻石的产量和质量得到了显着提高，同时成本进一步下降、�br style="box-sizing: border-box; word-break: break-word !important;"/>在生产方面，据在Lab created Diamonds 2019专题论坛上分享的ULTRA C创始人Andrey Zharkov称，全球宝石级毛坯栽培钻石产量达�?00万CT 2019年，成品栽培钻石达到200万CT，产值约8亿美元。贝恩公�?019在其全球钻石行业报告中表示，全球实验室制造钻石的产量也增长了15-20% 2018年和2019%，其中大部分增长来自中国、�br style="box-sizing: border-box; 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