[{"title":"( 2 个子文件 890KB ) 分流叶片离心泵叶轮内变工况三维数值分析.rar","children":[{"title":"分流叶片离心泵叶轮内变工况三维数值分析","children":[{"title":"readme勾月机械版.txt <span style='color:#111;'> 433B </span>","children":null,"spread":false},{"title":"分流叶片离心泵叶轮内变工况三维数值分析.pdf <span style='color:#111;'> 963.82KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]