document.write("·<a href='article/");document.write("201709");document.write("/");document.write("506");document.write(".html'>上一条：");document.write("PE胶袋阐述PE收缩膜和PE缠绕膜的区别");document.write("</a>");document.write("<br />·<a href='article/");document.write("201709");document.write("/");document.write("504");document.write(".html'>下一条：");document.write("PE胶袋对油墨使用特性要求及注意事项");document.write("</a>");