[{"title":"( 2 个子文件 84KB ) 65Y60型离心油泵叶轮切割定律的试验研究.zip","children":[{"title":"65Y60型离心油泵叶轮切割定律的试验研究","children":[{"title":"readme勾月机械版.txt <span style='color:#111;'> 387B </span>","children":null,"spread":false},{"title":"65Y60型离心油泵叶轮切割定律的试验研究.PDF <span style='color:#111;'> 92.04KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]