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- A Vacuum ultraviolet radiatien source with photon energy of 10.2 eV is used. The speed of the gas sampling pump is 0.51 L/min. 仪器中采用的光电离源是一光子能量为10.;2电子伏特的真空紫外辐射源;气体进样泵速为0
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- Standard Practice for Collection of Surface Dust by Air Sampling Pump Vacuum Technique for Subsequent Lead Determination 使用真空空气取样泵技术收集表面尘埃以连续测定铅的标准实施规程
- 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？
- I spent a few days sampling the literature of social science. 我花了几天时间浏览有关社会科学的文献。
- 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。
- 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。
- 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?
- It involves a subject known as isokinetic sampling. 这涉及所谓等速取样的问题。
- 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。
- The concept of sampling will be presented below. 关于采样的概念，后面将要说明。
- There are many applications for random sampling. 随机抽样有许多应用场合。
- Sampling techniques and practices II. 抽样技术及其应用2。
- Soil sampling error in agricultural environment. 农业环境中土壤取样误差研究。
- 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。
