document.write('<p><img src="/common/images/previous.png" border="0" align="absmiddle" /> <span class="cGreen">上一篇</span>: <a href="/cn/news/knowledge/1r453x45462s23d76y.shtml">挑选数显卡尺专业方法</a></p>');document.write('<p><img src="/common/images/next.png" border="0" align="absmiddle" /> <span class="cGreen">下一篇</span>: <a href="/cn/news/knowledge/xycrt5l704u5rl0r7f.shtml">水平仪的使用方法之零位校准及调整方法</a></p>');