[{"title":"( 7 个子文件 9.01MB ) 高教类课件:工程制图.zip","children":[{"title":"高教类课件:工程制图","children":[{"title":"第6章 轴测图2011flash.ppt <span style='color:#111;'> 1.14MB </span>","children":null,"spread":false},{"title":"第4章 立体的投影及其表面交线2011.10.ppt <span style='color:#111;'> 4.10MB </span>","children":null,"spread":false},{"title":"第3章 投影变换2011.ppt <span style='color:#111;'> 718.00KB </span>","children":null,"spread":false},{"title":"第2章点、直线和平面的投影2010flash .ppt <span style='color:#111;'> 2.36MB </span>","children":null,"spread":false},{"title":"第1章 工程图学基础.ppt <span style='color:#111;'> 5.88MB </span>","children":null,"spread":false},{"title":"第5章 组合体2011flash.ppt <span style='color:#111;'> 2.42MB </span>","children":null,"spread":false},{"title":"第7章 图样的基本表示法2011.ppt <span style='color:#111;'> 5.14MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]