document.write("·<a href='article/");document.write("201504");document.write("/");document.write("284");document.write(".html'>上一条：");document.write("基础加固");document.write("</a>");document.write("<br />·<a href='article/");document.write("201504");document.write("/");document.write("170");document.write(".html'>下一条：");document.write("柱加大截面");document.write("</a>");