[{"title":"( 3 个子文件 58.4MB ) SolidWorks零件库","children":[{"title":"3DSource零件库介绍.pdf <span style='color:#111;'> 741.78KB </span>","children":null,"spread":false},{"title":"3DSource零件库客户端安装使用手册.pdf <span style='color:#111;'> 3.58MB </span>","children":null,"spread":false},{"title":"3DSource零件库v3.3.49.exe <span style='color:#111;'> 58.82MB </span>","children":null,"spread":false}],"spread":true}]