维霄牌长石浆料专用双旋除铁机-参数-价格-中国粉体罐�/title>

<p><span>*</span>联系亹�/p> <input name="CName" type="text" placeholder="请输入您的姓�?/> </div> <div class="fxp_inp"> <p><span>*</span>单位名称</p> <input type="text" name="GuestType" placeholder="请输入您的单位名�?/> </div> <div class="fxp_inp"> <p><span>*</span>电子邮箱</p> <input type="email" name="Email" emailneed="1" placeholder="请输入您的电子邮�?/> </div> <div class="fxp_sj"> <p><span>*</span>手机叶�/p> <input type="text" name="Phone" placeholder="请输入您的手机号"/> </div> </form> </div> <div class="fxp_sub" onclick="return submitMsgFormByID('PopMsgFrom');" >提交</div> <div class="fxp_xieyi">点击提交代表您同� <a href="//www.znpla.com/service/registrationagreement.html" target="_blank">《用户服务协议《�/a>叉�a href="//www.znpla.com/about/privacy.php" target="_blank">《隐私协议《�/a></div> </div> </div> </div>  <div class="dhxj"> <div class="dhxjbox"> <img src="image24/close.png"/ class="dhxj_gb" onClick="close_telpopwin();"> <div class="dhxjbox_top"> <div class="dhxjbox_top_left"> <div id="nowvtel"></div> <p>虚拟号将� <span id="exptime">180</span> 秒后失效</p> </div> <div class="dhxjbox_top_rig"> <div id="telewm"></div> <p>使用微信扫码拨号</p> </div> </div> <div class="dhxjbox_bot"> 为了保证隐私安全，平台已启用虚拟电话，请放心拨打(暂不支持短信) </div> </div> <div class="dhxjbox2"> <span class="dhxj_gb2">×</span> <div class="dhxjbox2_tit">是否已沟通完戏�/div> <div class="dhxjbox2_tit2">您还可以选择留下联系电话，等待商家与您联糺�/div> <form id="TelPopMsgFrom" resultokclosewin="1" action="" method="post" onsubmit="return false;"><input name="FromPID" id="telafterfrompid" type="hidden" value="61625" /> <input type="hidden" name="CID" id="telaftercid" value="16379" /> <input type="hidden" name="leavetype" value="1" /> <div class="dhxjbox2_form"> <div class="dhxjbox2_form_inp"> <p>需求描�?/p> <input type="text" name="Content" placeholder="请输入您的需求描�?/> </div> <div class="dhxjbox2_form_inp"> <p>单位名称</p> <input type="text" name="GuestType" placeholder="请输入您所在单�?/> </div> <div class="dhxjbox2_form_inp"> <p>联系亹�/p> <input type="text" name="CName" placeholder="请输入您的联系人姓名"/> </div> <div class="dhxjbox2_form_inp"> <p>联系电话</p> <input type="text" name="Phone" placeholder="请输入您的联系电�?/> </div> <div class="dhxjbox2_form_inp"> <p>Email</p> <input type="email" name="Email" placeholder="请输入您的邮�?/> </div> </div> <div class="dhxjbox2_but"> <div>已与商家取得联系</div> <a href="javascript:void(0);" onclick="return submitMsgFormByID('TelPopMsgFrom');" >同意发送给商家</a> </div> </form> </div> </div> <script> var _cpjj = ""; var _cxd = ""; var _xgfa = ""; var _xgzl = ""; var _yhpl = ""; var _gsdt = ""; var _wsj = ""; $(function(){ // 留言询价显示 $(".js_lyxj").click(function(){ showliuyan(this, 0); }); $(".fxp_gb span").click(function(){ $(".fxp").css("display","none"); }); $(".dhxj_gb2").click(function(){ $(".dhxj").css("display","none"); $(".dhxjbox").css("display","block"); $(".dhxjbox2").css("display","none"); }); $(".dhxjbox2_but div").click(function(){ $(".dhxj").css("display","none"); $(".dhxjbox").css("display","block"); $(".dhxjbox2").css("display","none"); }); // 切换 $(".fixdbox_main_left a").click(function(){ $(".fixdbox_main_left a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); $('.js_cpjj').click(function(){$('html,body').animate({scrollTop:$('.cpjj').offset().top-60}, 800);}); $('.js_cxd').click(function(){$('html,body').animate({scrollTop:$('.cxd').offset().top-60}, 800);}); $('.js_xgfa').click(function(){$('html,body').animate({scrollTop:$('.xgfa').offset().top-60}, 800);}); $('.js_xgzl').click(function(){$('html,body').animate({scrollTop:$('.xgzl').offset().top-60}, 800);}); $('.js_yhpl').click(function(){$('html,body').animate({scrollTop:$('.yhpl').offset().top-60}, 800);}); $('.js_gsdt').click(function(){$('html,body').animate({scrollTop:$('.gsdt').offset().top-60}, 800);}); $('.js_wsj').click(function(){$('html,body').animate({scrollTop:$('.wsj').offset().top-60}, 800);}); _cpjj = $(".cpjj").offset().top-60; _cxd = $(".cxd").offset().top-60; _xgfa = $(".xgfa").offset().top-60; _xgzl = $(".xgzl").offset().top-60; _yhpl = $(".yhpl").offset().top-60; _gsdt = $(".gsdt").offset().top-60; _wsj = $(".wsj").offset().top-60; }); $(window).resize(function(){ _cpjj = $(".cpjj").offset().top-60; _cxd = $(".cxd").offset().top-60; _xgfa = $(".xgfa").offset().top-60; _xgzl = $(".xgzl").offset().top-60; _yhpl = $(".yhpl").offset().top-60; _gsdt = $(".gsdt").offset().top-60; _wsj = $(".wsj").offset().top-60; }); $(document).scroll(function(){ if($(this).scrollTop() >= _cpjj){ $(".fixdbox").css({"display":"block"}); }else{ $(".fixdbox").css({"display":"none"}); } $(".fixdbox_main_left div").css({"color":"#4F5862","border-bottom-color":"transparent"}); if($(this).scrollTop()>=_wsj){ $(".fixdbox_main_left div").eq(6).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_gsdt){ $(".fixdbox_main_left div").eq(5).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_yhpl){ $(".fixdbox_main_left div").eq(4).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgzl){ $(".fixdbox_main_left div").eq(3).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_xgfa){ $(".fixdbox_main_left div").eq(2).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cxd){ $(".fixdbox_main_left div").eq(1).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }else if($(this).scrollTop()>=_cpjj){ $(".fixdbox_main_left div").eq(0).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); } }); function showliuyan(me, showtype){ if(showtype==0){ //$("#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="margin-top:0;margin-bottom:0;text-align:center"><span style=";font-weight:bold;font-size:32px;font-family:'宋体'">维霄牌永�?/span><span style=";font-weight:bold;font-size:32px;font-family:'宋体'">双旋全自动除铁机（节能型（�/span></p><p style="margin-top:0;margin-bottom:0"><span style=";font-weight:bold;font-size:16px;font-family:'Times New Roman'"> </span></p><p style="margin-top:0;margin-bottom:0"><br/></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体"> </span><span style="font-size: 16px;font-family: 宋体">经科研院校专家与山东润科机电设备有限公司科技人员联合设计</span><span style="font-size: 16px;font-family: 宋体">攺�/span><span style="font-size: 16px;font-family: 宋体">关，通过对钾钠长石，高岭土，石英等矿物原料的物理特性，研制开发的此款专用节能型除铁设备，通过设备的结构设计可使该款设备具有以下特点：</span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体"> </span><span style="font-size: 16px;font-family: 宋体">本机采用除铁腔体内增加内胆的方式，使旋转的磁场与物料处于环形夹层中，含铁的物料所经过的区域完全处于磁场辐射范围之内，除铁更彻底。（本设计已申请**（�/span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体">一．通过外筒旋转</span></p><p style="margin-left:24px;margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体">1. </span><span style="font-size: 16px;font-family: 宋体">对易沉淀物料时刻进行拨动搅拌，不产生沉淀，物料沉淀问题得到有效解决、�/span></p><p style="margin-left:24px;margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体">2. </span><span style="font-size: 16px;font-family: 宋体">具有一定角度的叶片，在通过外筒旋转时，将物料按照一定的频率抛洒到磁性材料所能辐射区域，从而使物料中的铁质更好地被吸附、�/span></p><p style="margin-left:24px;margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体">3. </span><span style="font-size: 16px;font-family: 宋体">旋转外筒采用无机变速旋转，根据物料特性来调整转速、�/span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体">二．通过内磁场旋�?/span></p><p style="margin-left:24px;margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体">1. </span><span style="font-size: 16px;font-family: 宋体">可使处于环形夹层中流动的物料的吸附具有先后顺序，先难后易，物料中铁质的吸附更趋向合理。实现了一种磁场强度从精除铁到粗除铁的逆向除铁过程。并且使磁性材料达到重复利用的效果、�/span></p><p style="margin-left:24px;margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体">2. </span><span style="font-size: 16px;font-family: 宋体">磁场的旋转位移实现了除铁和排铁的分区连续作业、�/span></p><p style="margin-left:32px;margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 'Times New Roman'">三． </span><span style="font-size: 16px;font-family: 宋体">除铁容积大，时间长，效果显著、�/span></p><p style="margin-left:32px;margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 'Times New Roman'">四． </span><span style="font-size: 16px;font-family: 宋体">电量及水量消耗少，与达到相同效果的电磁除铁设备相比，节能辽�/span><span style="font-size: 16px;font-family: 'Times New Roman'">80%</span><span style="font-size: 16px;font-family: 宋体">以上、�/span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体">产品参数</span><span style="font-size: 16px;font-family: 宋体">９�/span></p><table width="604"><tbody><tr style="height:51px" class="firstRow"><td width="69" valign="top" style="padding: 0px 7px; border-width: 1px; border-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">型号</span></p></td><td width="70" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-width: 1px; border-top-color: rgb(255, 0, 0); border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">磁场</span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">强度</span></p></td><td width="56" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-width: 1px; border-top-color: rgb(255, 0, 0); border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">有效</span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">产量</span></p></td><td width="43" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-width: 1px; border-top-color: rgb(255, 0, 0); border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">旋环</span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">直径</span></p></td><td width="50" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-width: 1px; border-top-color: rgb(255, 0, 0); border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">装机</span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">功率</span></p></td><td width="62" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-width: 1px; border-top-color: rgb(255, 0, 0); border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">使用功率</span></p></td><td width="43" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-width: 1px; border-top-color: rgb(255, 0, 0); border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">冷却</span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">方式</span></p></td><td width="49" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-width: 1px; border-top-color: rgb(255, 0, 0); border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">除铁级数</span></p></td><td width="46" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-width: 1px; border-top-color: rgb(255, 0, 0); border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">整机重量</span></p></td><td width="115" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-width: 1px; border-top-color: rgb(255, 0, 0); border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">**轮廓</span></p></td></tr><tr style="height:40px"><td width="69" valign="top" style="padding: 0px 7px; border-left-width: 1px; border-left-color: rgb(255, 0, 0); border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-style: none; border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">WYJ-</span><span style="font-size: 14px;font-family: 宋体">SX</span></p></td><td width="70" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-style: none; border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 'Times New Roman'">10000GS</span></p></td><td width="56" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-style: none; border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 'Times New Roman'">30</span><span style="font-size: 14px;font-family: 宋体">-50</span><span style="font-size: 14px;font-family: 'Times New Roman'">T</span></p></td><td width="43" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-style: none; border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 'Times New Roman'">2000</span></p></td><td width="50" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-style: none; border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 'Times New Roman'">5KW</span></p></td><td width="62" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-style: none; border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">4.2KW</span></p></td><td width="43" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-style: none; border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">旟�/span></p></td><td width="49" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-style: none; border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">无级变量</span></p></td><td width="46" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-style: none; border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 'Times New Roman'">3.2T</span></p></td><td width="115" valign="top" style="padding: 0px 7px; border-left-style: none; border-right-width: 1px; border-right-color: rgb(255, 0, 0); border-top-style: none; border-bottom-width: 1px; border-bottom-color: rgb(255, 0, 0);"><p style="margin-top:0;margin-bottom:0"><span style="font-size: 14px;font-family: 宋体">2400*2600*2100</span></p></td></tr></tbody></table><p style="margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体"> </span></p><p style="margin-top:0;margin-bottom:0"><span style=";font-size:14px;font-family:'宋体'">公司名称：山东润科机电设备有限公号�/span></p><p style="margin-top:0;margin-bottom:0"><span style=";font-size:14px;font-family:'宋体'">公司官网９�/span><span style="color: rgb(0, 0, 255);font-family: 宋体"></span></p><p style="margin-top:0;margin-bottom:0"><span style=";font-size:14px;font-family:'宋体'">联系电话９�span style="font-family:Times New Roman">18678222062 </span><span style="font-family:宋体">孙小姏�/span></span></p><p style="margin-top:0;margin-bottom:0"><span style=";font-size:14px;font-family:'宋体'">传真９�span style="font-family:Times New Roman">0533-2******</span></span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体"> </span></p><p style="margin-top:0;margin-bottom:0"><span style="font-size: 16px;font-family: 宋体"> </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="61625" /> <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）">