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=130' class='blue'>测速编码器-模拟信号RS485双输出（60mm系列）</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=128' class='blue'>测速编码器-MODBUSRTU信号（60mm系列）</a></div>")