叶轮作为泵的主要过流和能量转换部件，其决定了泵性能的好坏。

The impeller is mostly part of pump, so it decides the performance of pump.

youdao

叶轮作为泵的主要过流和能量转换部件，其决定了泵性能的好坏。

The impeller is mostly part of pump, so it decides the performance of pump.

youdao