document.write("大齿轮-A2.dwg 37.14 KB小齿轮-A3.dwg 36.74 KB悬臂梁-A2.dwg 43.19 KB摘要目录.doc 339.76 KB旋转主轴-A2.dwg 32.98 KB装配图-A0.dwg 137.43 KB设计说明书.doc 339.76 KB回转装置支架-A2.dwg 48.74 KB");