常見(jiàn)例句Backwash the swimming pool's filters regularly. 要定期沖洗游泳池的濾水器。The backwash effect of the war years. 戰(zhàn)爭(zhēng)年代的遺禍。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; 返回 backwashing