您要查找的是不是：
- Describes briefly the construction and operating principle of titanium getter pump. 简单介绍了钛泵的工作原理。
- A composite pump was developed which is composed of a nonevaporable getter pump and a sputtering ion pump. 结合消气剂和离子泵的各自优缺点,研制了一种由非蒸散型消气剂泵与冷阴极溅射离子泵组成的复合泵。
- Application of mini-type zirconium getter pump in vacuum chamber 小型锆吸气泵在真空靶室中的应用研究
- Getter Pump and Sputtering Ion Pump in Electrostatic Suspended Accelerometer 静电悬浮加速度计真空装置的研制
- Do they charge carriage by bulk? 他们是否按体积计算运费？
- In most markets you can buy fresh fruit in bulk. 在大多数市场上可买到散装新鲜水果。
- The bulk of the work has already been done. 大部分工作已经完成。
- The elephant lowered its great bulk. 大象蹲下它庞大的身躯。
- He heaved his huge bulk out of the chair. 他挺起巨大的身躯，从椅子上站了起来。
- The eldest son inherited the bulk of the estate. 长子继承了遗产的大部分。
- bulk getter 容积收气剂,块状消气剂
- A ball of lead will weigh down an equal bulk of feathers. 一个铅球要比同样大小的羽毛团重。
- 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。
- The physical volume or bulk of a solid body. 体积物质体积或一件固体的体积
- 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。
- It is more convenient to transport the goods in bulk. 散装运送货物更方便。
- Can you lend me your bicycle pump? 能把你的打气筒借给我吗？
