document.writeln("<Center><div class=\"doc\"><a href=\'/e/member/fava/add/?classid=10&id=46297\'  target=\'_self\'><i class=\"fa fa-file-word-o\"></i> 浅谈产品生命周期对营销渠道管理策略的影响论文文档下载.doc </a></div></Center>");