document.getElementById("div_aboutsearch").innerHTML="
<\/tr><\/table>
规格选型<\/div>
编码器分辨率<\/td>步数<\/td>抽头数<\/td>宏单元数<\/td>每转脉冲数<\/td><\/tr>


<\/div><\/form><\/div>"; function clearse2(nameid) { var PV=document.getElementById(nameid); for(var i=0;i