双流道叶轮内流动也不均匀，但没有出现明显的回流区，流态较好。

In the double-channel impeller, the flow has better flow pattern without obvious back-flow area.

youdao

双流道叶轮内流动也不均匀，但没有出现明显的回流区，流态较好。

In the double-channel impeller, the flow has better flow pattern without obvious back-flow area.

youdao