[{"title":"( 5 个子文件 16.39MB ) AutoCAD 2015 快速入门进阶与精通视频教程下载ch20 AutoCAD图形编辑实际应用案例.zip","children":[{"title":"ch20 AutoCAD图形编辑实际应用案例","children":[{"title":"20.2 案例2──衣架挂钩-02.exe <span style='color:#111;'> 14.23MB </span>","children":null,"spread":false},{"title":"20.1 案例1──垫片-02.exe <span style='color:#111;'> 15.48MB </span>","children":null,"spread":false},{"title":"20.1 案例1──垫片-01.exe <span style='color:#111;'> 15.49MB </span>","children":null,"spread":false},{"title":"20.2 案例2──衣架挂钩-01.exe <span style='color:#111;'> 13.83MB </span>","children":null,"spread":false},{"title":"20.2 案例2──衣架挂钩-03.exe <span style='color:#111;'> 22.05MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]