[{"title":"( 2 个子文件 135KB ) 定板冲圆孔、冲槽、落料连续模设计.zip","children":[{"title":"定板冲圆孔、冲槽、落料连续模设计","children":[{"title":"定板冲圆孔、冲槽、落料连续模设计","children":[{"title":"带槽三角形固定板总装图.png <span style='color:#111;'> 16.56KB </span>","children":null,"spread":false},{"title":"带槽三角形固定板总装图.dwg <span style='color:#111;'> 147.08KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]