回洗,反萃取,反流,倒流,反濺,反噴,逆流沖洗,反向洗滌

Backwash the swimming pool's filters regularly. 要定期沖洗游泳池的濾水器。

The backwash of the passing boat took us a surprise. 那艘經(jīng)過(guò)的船造成的回浪讓我們措手不及。

The backwash of the passing boat took us by surprise. 那艘經(jīng)過(guò)的船所造成的回浪讓我們措手不及。

Backwashing is one of the methods to maintain a filter bed clean. 反沖洗是保持濾床清潔的方法之一。

And after backwashing,the loss of biomass was as high as 90%. 反沖洗后生物量損失高達(dá)90%25;