[{"title":"(4个子文件1.21MB)XY两坐标工作台(三张图纸,一份说明书)","children":[{"title":"XY两坐标工作台","children":[{"title":"xy工作台-装配图.dwg <span style='color:#111;'>806.78KB</span>","children":null,"spread":false},{"title":"电器图.dwg <span style='color:#111;'>102.91KB</span>","children":null,"spread":false},{"title":"31304滚珠丝杠副.dwg <span style='color:#111;'>162.38KB</span>","children":null,"spread":false},{"title":"说明书.doc <span style='color:#111;'>761.50KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]