在开式循环的情况下，清洁的间隔时间长短要根据冷却水的性质而定。

In open cycle condition, the frequency of the cleanness should base on cooling water quality.

youdao

在开式循环的情况下，清洁的间隔时间长短要根据冷却水的性质而定。

In open cycle condition, the frequency of the cleanness should base on cooling water quality.

youdao