[{"title":"( 4 个子文件 328KB ) 机械设计课程设计~~单级圆柱直齿减速器","children":[{"title":"漆适","children":[{"title":"复件+说明书.doc <span style='color:#111;'> 448.00KB </span>","children":null,"spread":false},{"title":"装配图07最终版.dwg <span style='color:#111;'> 194.91KB </span>","children":null,"spread":false},{"title":"轴.dwg <span style='color:#111;'> 82.56KB </span>","children":null,"spread":false},{"title":"齿轮.dwg <span style='color:#111;'> 77.81KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]