Therefore, the change pump performance curves become the main form of energy-saving pumps.

因此，改变水泵性能曲线成为水泵节能的主要方式。

youdao

Therefore, the change pump performance curves become the main form of energy-saving pumps.

因此，改变水泵性能曲线成为水泵节能的主要方式。

youdao