且在长期运行中情况比较稳定，采用该型式叶轮的泵轴向力较小，且可以在前后盖板上设置副叶片。

And the situation in the long-term stable operation, use the type of impeller shaft to the edge of the smaller, and can be set up before and after the Vice-leaf cover.

youdao

且在长期运行中情况比较稳定，采用该型式叶轮的泵轴向力较小，且可以在前后盖板上设置副叶片。

And the situation in the long-term stable operation, use the type of impeller shaft to the edge of the smaller, and can be set up before and after the Vice-leaf cover.

youdao