[{"title":"( 4 个子文件 380KB ) 机械设计或文档或dwg文件CAD-重型载货汽车离合器设计.zip","children":[{"title":"重型载货汽车离合器设计","children":[{"title":"摩擦片.dwg <span style='color:#111;'> 91.13KB </span>","children":null,"spread":false},{"title":"减振弹簧.dwg <span style='color:#111;'> 69.06KB </span>","children":null,"spread":false},{"title":"装配图无敌终结版CAD.dwg <span style='color:#111;'> 135.56KB </span>","children":null,"spread":false},{"title":"毕业设计(膜片).doc <span style='color:#111;'> 641.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]