[{"title":"( 4 个子文件 295KB ) 齿轮减速器(装配图+零件图)CAD","children":[{"title":"减速器箱盖.dwg <span style='color:#111;'> 139.60KB </span>","children":null,"spread":false},{"title":"中间轴.dwg <span style='color:#111;'> 87.18KB </span>","children":null,"spread":false},{"title":"低速极大齿轮.dwg <span style='color:#111;'> 69.00KB </span>","children":null,"spread":false},{"title":"减速器装配图.dwg <span style='color:#111;'> 170.62KB </span>","children":null,"spread":false}],"spread":true}]