提出用极限比速法，并采用厂家公式校核的方法选取冲击式机组。

An ultimate specific speed method checked by formula of manufacturer is proposed.

youdao

提出用极限比速法，并采用厂家公式校核的方法选取冲击式机组。

An ultimate specific speed method checked by formula of manufacturer is proposed.

youdao