[{"title":"( 2 个子文件 638KB ) 螺旋离心泵的外特性试验与流场数值分析.zip","children":[{"title":"螺旋离心泵的外特性试验与流场数值分析","children":[{"title":"readme勾月机械版.txt <span style='color:#111;'> 387B </span>","children":null,"spread":false},{"title":"螺旋离心泵的外特性试验与流场数值分析.pdf <span style='color:#111;'> 654.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]