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- Research and Design of Propane Pump Seal 丙烷泵密封的研究与设计
- The Development of a New Seal for Propane Pump 新型丙烷泵机械密封的研制
- 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？
- Propane may also be used as LPG. 丙烷也可用作液化石油气。
- 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。
- How come we've been using propane, and nobody knew? 为什么我们实际上已经在使用丙烷，但是确没人知道?
- If you use green gas, you're already using propane. 如果你已经在用绿气了，实际上你已经在用丙烷了。
- So it's really propane? How can you be sure? 那么你怎么确定它就是丙烷的呢?
- 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。
- By itself, propane has very little smell. 而丙烷本身的味道很小。
- 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?
- Available in R22, R497C and R290 (propane). 可在r22的，r497c和r290的（丙烷）。
- New Method to Seal Propane Pump 一种新的丙烷泵机械密封方法
- 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。
