document.write("拖轮体.dwg 54.58 KB<br />拖轮盖.dwg 53.93 KB<br />拖轮轴.dwg 58.45 KB<br />装配图.dwg 64.91 KB<br />托链轮体.dwg 52.35 KB<br />托链轮盖.dwg 44.61 KB<br />托链轮装配图.dwg 74.00 KB<br />轴.dwg 52.31 KB<br />驱动轮齿块.dwg 51.87 KB<br />中文.doc 7.22 KB<br />英文.doc 7.55 KB<br />外文翻译.zip 14.98 KB<br />封面.doc 2.10 KB<br />摘要目录.doc 9.95 KB<br />设计说明书.doc 4.29 MB<br />");