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- backwash pump 回流泵
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- Backwash the swimming pool's filters regularly. 要定期冲洗游泳池的滤水器。
- This tire is flat; you didn't pump enough air in. 这个轮胎没气了;你并没打足气。
- We have a pump for drawing water from the well. 我们用一个水泵从井里抽水。
- The heart is analogous to a pump. 心脏和水泵有相似之处。
- Can you lend me your bicycle pump? 能把你的打气筒借给我吗?
- The backwash effect of the war years. 战争年代的遗祸。
- Here is an old-fashioned pump for drawing water from a well. 这里有一个旧式水泵可从井里抽水。
- You will need to pump hard for several minutes to fill the tank. 你需用泵著实抽吸几分钟,才能把油箱灌满。
- Can you lend me a pump to blow up my bicycle tyres? 你能借给我个打气筒给车胎打打气吗?
- The backwash of the passing boat took us a surprise. 那艘经过的船造成的回浪让我们措手不及。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
- The backwash of the passing boat took us by surprise. 那艘经过的船所造成的回浪让我们措手不及。
- We'll get the water out with a suction pump. 我们将用抽水机把水抽出来。
- Famine is not the only backwash of drought in Africa. 在非洲,饥荒并非干旱带来的唯一后果。
- This rock was shaped by the backwash of the crashing waves. 这块岩石是由巨大的逆流冲击而成的。
- It's hard work to pump facts into unwilling students. 向不自觉的学生灌输知识并非易事。
- This backwash current is governed by volume of water and flow. 回流的水流是由水量及流动决定的。