document.write (" <div class=contentupdown style='text-align:center;width:98%;'><div id=contentup style='float:left'><strong>上一篇:</strong><a href=/html/lm_144/20100525180323.html title=3/4气动凸形六角套筒>3/4气动凸形六角套筒</a></div><div id=contentup style='float:right'><strong>下一篇:</strong><a href=/html/lm_144/20100525180512.html title=1/2气动E形套筒>1/2气动E形套筒</a></div></div>");