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- Design and Optimization of Closed Impeller and Shell for Sewerage Pump 闭式污水泵叶轮与泵体的水力设计及优化
- 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。
- 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？
- sewerage pump 污水泵
- Our town has a modern sewerage system. 我们城镇有一个现代化的下水道系统。
- 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。
- Unfortunately, the sewerage was not the only issue. 不幸的是，污水并不是唯一的问题。
- 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 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。
- We'll get the water out with a suction pump. 我们将用抽水机把水抽出来。
- Sewerage systems are either 'separate'or 'combined'. 排水系统有“分流制”和“合流制”。
- 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。
- No Sewerage garage, the small shopkeepers have gone further here. 车库没有排污设备，小店主的吃喝又都在这儿。
- Pump more air into the tyre; it is still flat. 再往轮胎里打点气，轮胎仍很瘪。
- The acid waste waters are discharged into a sump or the sewerage system. 酸性废水被送往销毁池或阴沟系统。
