document.write("·<a href='article/");document.write("201505");document.write("/");document.write("324");document.write(".html'>上一条：");document.write("管桩");document.write("</a>");document.write("<br />·<a href='article/");document.write("201505");document.write("/");document.write("322");document.write(".html'>下一条：");document.write("炮机");document.write("</a>");