document.write("农用拖拉机--文献翻译.doc 3.44 MB变速箱俯视fd.dwg 155.61 KB外文译文.doc 6.07 KB开题报告.doc 4.49 KB总成4.dwg 73.86 KB操纵机构.dwg 70.60 KB设计说明书.doc 3.65 MB中英文摘要、目录.doc 5.23 KB");