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| 21. | For more information on oxygen-deficient atmospheres, consult Air Products'Safetygram-17, "Dangers of Oxygen-Deficient Atmospheres". |
| 要得到关于缺氧大气的更多信息，请参考Air Products的安全程序-17，“缺氧大气的危险”。 |
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| 22. | Please check the air in the tires. |
| 请检查轮胎气压。 |
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| 23. | The air in the room was heavy. |
| 屋子里的空气是沉浊的。 |
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| 24. | If such a leak develops, or the cylinder valve cannot be closed, immediately contact the Air Products’ Emergency Response System at these numbers |
| 如果发生了这样的泄露，或者钢瓶阀门无法关闭，立刻同Air Products的紧急反应系统联系 |
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| 25. | moves air in or out of something. |
| 把空气吸入或排出某物。 |
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| 26. | Open the valve to let air in. |
| 打开冷冻阀门，让空气进入。 |
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| 27. | The air in Taiyuan is still unhealthy. |
| 太原的空气依旧对健康有害。 |
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| -- 来源 -- 时文4 - P_shiwen_zhongguotiankongbianlan |
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| 28. | If such a leak develops, or the cylinder valve cannot be closed, immediately contact the Air Products' Emergency Response System at these numbers: |
| 如果发生了这样的泄露，或者钢瓶阀门无法关闭，立刻同Air Products的紧急反应系统联系： |
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| 29. | You'll be on air in two minutes. |
| 两分钟以后你会上电视。 |
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| 30. | You need to exhaust the air in thejar. |
| 你需要把瓶中的空气抽 |
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