[{"title":"( 8 个子文件 26.71MB ) 高教类课件:工程图学.zip","children":[{"title":"高教类课件:工程图学","children":[{"title":"第1章 制图的基本知识与技能.ppt <span style='color:#111;'> 5.48MB </span>","children":null,"spread":false},{"title":"第6章 投影变换.ppt <span style='color:#111;'> 1.58MB </span>","children":null,"spread":false},{"title":"第8章 立体的投影.ppt <span style='color:#111;'> 3.47MB </span>","children":null,"spread":false},{"title":"第4章 平面的投影.ppt <span style='color:#111;'> 2.53MB </span>","children":null,"spread":false},{"title":"第2章 点的投影.ppt <span style='color:#111;'> 1.71MB </span>","children":null,"spread":false},{"title":"第5章 相对位置.ppt <span style='color:#111;'> 3.56MB </span>","children":null,"spread":false},{"title":"第7章 曲线与曲面.ppt <span style='color:#111;'> 999.00KB </span>","children":null,"spread":false},{"title":"第3章 直线的投影.ppt <span style='color:#111;'> 15.73MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]