[{"title":"( 7 个子文件 16.75MB ) AutoCAD 2015 快速入门进阶与精通视频教程下载ch22 AutoCAD高级绘图实际应用案例.zip","children":[{"title":"ch22 AutoCAD高级绘图实际应用案例","children":[{"title":"22.1 案例1──楼梯.exe <span style='color:#111;'> 13.75MB </span>","children":null,"spread":false},{"title":"22.2 案例2──轴套-02.exe <span style='color:#111;'> 17.55MB </span>","children":null,"spread":false},{"title":"22.2 案例2──轴套-01.exe <span style='color:#111;'> 12.17MB </span>","children":null,"spread":false},{"title":"reference","children":[{"title":"轴套-r01.exe <span style='color:#111;'> 2.42MB </span>","children":null,"spread":false}],"spread":true},{"title":"22.2 案例2──轴套-04.exe <span style='color:#111;'> 12.16MB </span>","children":null,"spread":false},{"title":"22.2 案例2──轴套-05.exe <span style='color:#111;'> 6.19MB </span>","children":null,"spread":false},{"title":"22.2 案例2──轴套-03.exe <span style='color:#111;'> 12.82MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]