document.write("封面.doc 15.00 KB<br />总装图.dwg 304.93 KB<br />挡圈.dwg 163.67 KB<br />联轴器.dwg 149.92 KB<br />设计说明书.doc 1.20 MB<br />轴.dwg 167.94 KB<br />内密封圈.dwg 165.96 KB<br />");