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- 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?
- 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。
- methanol pump 甲醇泵
- An alcohol derived from methanol. 木精,甲醇由甲醇得到的醇
- 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。
- What can I do to reduce my exposure to methanol? 如何降低我暴露在甲醇中的机会?
- 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?
- What do I do if I spill methanol somewhere? 甲醇洒落咋办?
- What does methanol have to do with biodiesel? 甲醇与生物柴油?
- Methanol cracking is a main source of H2 and CO. 甲醇裂解是H2和CO的主要来源。
- 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。
- 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。
- Pump more air into the tyre; it is still flat. 再往轮胎里打点气,轮胎仍很瘪。
- Micro cells use energy sources like hydrogen and methanol. 微型电池用像氢气、甲醇这样的能源。