| 单词 | cascade liquefaction | 
| 释义 | cascade liquefaction [ka`skād lik·wǝ`fak·shǝn]  CRYOGENICS A method of liquefying gases in which a gas with a high critical temperature is liquefied by increasing its pressure; evaporation of this liquid cools a second liquid so that it can also be liquefied by compression, and so on.  | 
	
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