[{"title":"( 2 个子文件 142KB ) 离心泵叶轮内部流场CFD分析.zip","children":[{"title":"离心泵叶轮内部流场CFD分析","children":[{"title":"离心泵叶轮内部流场CFD分析.pdf <span style='color:#111;'> 218.46KB </span>","children":null,"spread":false},{"title":"readme勾月机械版.txt <span style='color:#111;'> 387B </span>","children":null,"spread":false}],"spread":true}],"spread":true}]