[{"title":"( 4 个子文件 1.86MB ) 机械夹持手臂的毕业设计~全套哦(CAD 说明书)~~~挥泪分享了~~","children":[{"title":"机械手夹持器毕业设计论文及装配图","children":[{"title":"总装配图.dwg <span style='color:#111;'> 497.64KB </span>","children":null,"spread":false},{"title":"装配图.dwg <span style='color:#111;'> 220.78KB </span>","children":null,"spread":false},{"title":"装配图.bak <span style='color:#111;'> 215.78KB </span>","children":null,"spread":false},{"title":"论文.doc <span style='color:#111;'> 1.94MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]