document.write("·<a href='article/");document.write("201004");document.write("/");document.write("53");document.write(".html'>上一条：");document.write("A-55青铜烧结连体螺纹钻头");document.write("</a>");document.write("<br />·<a href='article/");document.write("201004");document.write("/");document.write("51");document.write(".html'>下一条：");document.write("A-52直柄青铜烧结玻璃钻头");document.write("</a>");