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- rotary vacumm pump 旋转式真空泵
- It can increase work efficiency,protract the lifetime of vacumm pump sets,and economize manpower and material resources. 这种工艺会大大提高处理效率,有效延长真空泵机组的使用寿命,也会大大节省人力物力。
- JZJX type Roots-Vane vacuum system consists of the major pump i.e ZJ type Roots vacumm pump and the backing pump i.e. vane vacuum pump. JZJX系列罗茨-旋片机组是由ZJ型罗茨真空泵（主抽泵）和旋片式真空泵（前级泵）组成的。
- The gardener asked me for a rotary lawn mower. 园丁向我要一台旋转式割草机。
- 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。
- This new rotary press prints very rapidly. 这种新型轮转印刷机印刷得很快。
- 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。
- Conventional Motor or Direct Drive Rotary? 选择传统电机还是直接驱动旋转电机?
- We need to have our rotary engine repaired. 我们需要让人修一下旋转引擎。
- 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 central unit is a rotary drum. 核心设备是一个旋转的滚筒。
- She attended his Rotary Club meeting. 她还参加罗博士的“扶轮国际”分社的会议。
- 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。
- Again, Rotary has won with cooperation. 相反的，扶轮再度透过合作而获益。
