if(document.getElementById('relative'))document.getElementById('relative').innerHTML='<div>前一篇：<a href=\"/other/chem_knowledge/show.asp?id=671978\" target=\"_self\">各个国家生物柴油的应用</a></div>\n<div>后一篇：<a href=\"/other/chem_knowledge/show.asp?id=694717\" target=\"_self\">合理措施可减卡车油耗10%</a></div>\n';