英语词汇“ratio of expansion”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ratio of expansion
释义	ratio of expansion ratio of expansion [′rā·shō əv ik′span·shən] (mechanical engineering) The ratio of the volume of steam in the cylinder of an engine when the piston is at the end of a stroke to that when the piston is in the cutoff position.
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