[{"title":"( 10 个子文件 62.29MB ) 高教类课件:工程图学 第四套.zip","children":[{"title":"高教类课件:工程图学 第四套","children":[{"title":"第6章 机件图样的画法.ppt <span style='color:#111;'> 7.79MB </span>","children":null,"spread":false},{"title":"第8章 螺纹紧固件及常用件.ppt <span style='color:#111;'> 8.67MB </span>","children":null,"spread":false},{"title":"第2章 点、直线、平面.ppt <span style='color:#111;'> 7.15MB </span>","children":null,"spread":false},{"title":"第5章 组合体.ppt <span style='color:#111;'> 6.80MB </span>","children":null,"spread":false},{"title":"第9.1章 零件图.ppt <span style='color:#111;'> 8.87MB </span>","children":null,"spread":false},{"title":"第3章 体的投影.ppt <span style='color:#111;'> 6.11MB </span>","children":null,"spread":false},{"title":"第1章 制图的基本知识.ppt <span style='color:#111;'> 8.38MB </span>","children":null,"spread":false},{"title":"第4章 立体表面的交线.ppt <span style='color:#111;'> 7.44MB </span>","children":null,"spread":false},{"title":"第7章 轴测图.ppt <span style='color:#111;'> 5.96MB </span>","children":null,"spread":false},{"title":"第9.2章 装配图.ppt <span style='color:#111;'> 11.54MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]