document.write("<div class='udPage'><img src='/image/title.gif' width='8' height='9' />&nbsp;&nbsp;<b>上一篇：</b><a href='/productdetail.asp?product_id=88' class='blue'>单圈-MODBUSRTU信号--03功能码（60mm外径）</a></div><div class='udPage'><img src='/image/title.gif' width='8' height='9' />&nbsp;&nbsp;<b>下一篇：</b><a href='/productdetail.asp?product_id=86' class='blue'>单圈并行信号编码器</a></div>")