document.write("开题报告.doc 7.34 KB<br />弹簧上座.dwg 47.37 KB<br />总装图.dwg 63.56 KB<br />摘要.doc 6.39 KB<br />目录.doc 7.02 KB<br />筛框.dwg 38.37 KB<br />筛箱装配.dwg 53.81 KB<br />箱体.dwg 99.56 KB<br />箱体零件.dwg 34.83 KB<br />设计说明书.doc 72.07 KB<br />评价表.doc 4.31 KB<br />金属螺旋弹簧（正）.dwg 31.29 KB<br />");