[{"title":"( 10 个子文件 7.72MB ) Auto CAD机械制图教程PPT课件","children":[{"title":"Auto CAD机械制图基础教程PPT课件","children":[{"title":"第08章.ppt <span style='color:#111;'> 1.08MB </span>","children":null,"spread":false},{"title":"第01章.ppt <span style='color:#111;'> 490.00KB </span>","children":null,"spread":false},{"title":"第04章.ppt <span style='color:#111;'> 1.35MB </span>","children":null,"spread":false},{"title":"第03章.ppt <span style='color:#111;'> 2.39MB </span>","children":null,"spread":false},{"title":"说明.txt <span style='color:#111;'> 348B </span>","children":null,"spread":false},{"title":"第05章.ppt <span style='color:#111;'> 689.50KB </span>","children":null,"spread":false},{"title":"第07章.ppt <span style='color:#111;'> 1.45MB </span>","children":null,"spread":false},{"title":"第06章.ppt <span style='color:#111;'> 1.01MB </span>","children":null,"spread":false},{"title":"第09章.ppt <span style='color:#111;'> 1.69MB </span>","children":null,"spread":false},{"title":"第02章.ppt <span style='color:#111;'> 399.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]