| 单词 | liquid air |
| 释义 | liquid air in British Englishnoun air that has been liquefied by cooling. It is a pale blue and consists mainly of liquid oxygen (boiling pt: –182.9°C) and liquid nitrogen (boiling pt: –195.7°C): used in the production of pure oxygen, nitrogen, and the inert gases, and as a refrigerant liquid air in American English air brought to a liquid state by being subjected to great pressure and then cooled by its own expansion to a temperature below the boiling point of its main constituents, nitrogen and oxygen: it is used as a refrigerant |
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