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- Duval, P., Raynaud, A. and Saulgeot, C., 1988, “The Molecular Drag Pump: Principle, Characteristics, and Applications,” Journal of Vacuum Society Technology, A6, 3, p1187-1191. 吴金益,1994,”认识涡轮分子式帮浦-过去、现在与未来”,真空科技期刊,第七卷第二期,46-58页。
- Your coat's dragging in the mud. 你的大衣拖到泥上了。
- Dave wore drag to the fancy dress party. 戴夫穿着女子服装去参加化装舞会。
- They were dragging the river for the missing child. 他们正用抓钩在河底打捞那个失踪的孩子。
- The cat was dragging its broken leg. 那只猫拖著断腿吃力地走。
- How can I drag away from your arms? 我怎样才能离开你的怀抱呢?
- He took a drag from the wine glass. 他从酒杯里喝了一口酒。
- Must you drag politics into everything? 你非得事事都把政治扯进来吗?
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- How much longer is this going to drag on? 这事还要拖多久?
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- They said they would drag Tom through the mud. 他们扬言要汤姆名誉扫地。
- 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?
- Drag racers burning up the track. 正在跑道上飞驰的高速赛车
- 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。
- The newspapers keep dragging up the politician's mistake. 报纸小题大作,一再提起那位政治家的过失。
- 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。
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