关于叶轮平衡孔的存在对级性能的影响，通过两种方案的试验，概论了其漏气对级效率的影响。

Through the two different designed experiments of the leak-out flow of the balance holes, its influence to the stage efficiency is presented which gives reference for the design.

youdao

关于叶轮平衡孔的存在对级性能的影响，通过两种方案的试验，概论了其漏气对级效率的影响。

Through the two different designed experiments of the leak-out flow of the balance holes, its influence to the stage efficiency is presented which gives reference for the design.

youdao