[{"title":"( 5 个子文件 9.91MB ) AutoCAD 2015 快速入门进阶与精通视频教程下载ch25 AutoCAD图块及其属性实际应用案例.zip","children":[{"title":"ch25 AutoCAD图块及其属性实际应用案例","children":[{"title":"25.2 案例2──电气图-01.exe <span style='color:#111;'> 1.79MB </span>","children":null,"spread":false},{"title":"25.2 案例2──电气图-02.exe <span style='color:#111;'> 15.02MB </span>","children":null,"spread":false},{"title":"reference","children":[{"title":"electric-r01.exe <span style='color:#111;'> 1.75MB </span>","children":null,"spread":false}],"spread":true},{"title":"25.1 案例1──粗糙度符号-01.exe <span style='color:#111;'> 7.94MB </span>","children":null,"spread":false},{"title":"25.1 案例1──粗糙度符号-02.exe <span style='color:#111;'> 9.81MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]