document.write("20-5t总图.dwg 132.58 KB<br />仿宋卷筒部件图.dwg 89.78 KB<br />仿宋卷筒零件图.dwg 31.70 KB<br />卷筒轴.dwg 29.05 KB<br />摘要目录.doc 20.45 KB<br />缓冲器.dwg 27.44 KB<br />20-5t小车图.dwg 125.70 KB<br />设计说明书.doc 606.19 KB<br />");