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| 21. | In this paper, method of calculation for pumping of water vapour with gas ballast pump is introduced. |
| 本文介绍用气镇泵抽除水蒸汽的计算方法。 |
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| 22. | They bully into line at the gas pump(Martin Gottfried) |
| 他们在气泵前恶棍似地插队(马丁 哥特弗莱德) |
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| 23. | The valve tube of the tire has broken, I cannot pump any gas into it at all. |
| 这个车轮子的气门芯坏了, 根本就打不进气去。 |
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| 24. | In the meantime, the gasoline pump has started pumping gas from the tank up through a tube into the carburetor |
| 与此同时，油泵开始从油箱抽出汽油，通过管道送人化油器。 |
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| 25. | gas ballast pump = vented-exhaust mechanical pump |
| 载气真空泵 |
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| 26. | Abstract: The influence of the main factors on device efficiency of pulsedliquicd jet pump with gas-liquid |
| 文摘:对影响气液活塞式脉冲液体射流泵装置效率的主要因素进行分析，导出了脉冲液体射流泵装置效率理论方程及其理论方程的时均解。 |
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| 27. | Don't you know it's illegal to smoke around a gas pump? |
| 你难道不知道在加油站附近抽烟是犯法的吗? |
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| 28. | in China are likely to lead to higher prices in the West — at the mall, at the grocery, even at the gas |
| 中国大陆工资提高，可能导致西方物价上涨：购物商场、杂货店甚至加油站的价格都可能上扬。 |
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| 29. | The most common method to "pump" a gas laser-that is, to invert the population in the states that give |
| “发射”气体激光（也就是反转能产生光放大的那些状态的粒子数）的最普通方法是运用气体放电。 |
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| 30. | The cause of the problem is that as we burn fossil fuels— coal, oil, and gas— we pump carbon dioxide |
| 问题的原因是当我们燃烧矿物燃料——煤、油和天然气时，我们将二氧化碳排放到大气之中。 |
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