[{"title":"( 3 个子文件 689KB ) 模具注射机设计论文.zip","children":[{"title":"模具注射机设计论文","children":[{"title":"毕业设计论文.doc <span style='color:#111;'> 1.06MB </span>","children":null,"spread":false},{"title":"参考文献.doc <span style='color:#111;'> 24.50KB </span>","children":null,"spread":false},{"title":"readme.txt <span style='color:#111;'> 39B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]