英语词汇compression ratio怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	compression ratio
释义	compression ration.（名词） In an internal combustion engine, the ratio of the volume between the piston and cylinder head before and after a compression stroke.压缩比：内燃机中，在压缩行程前后活塞到汽缸盖之间的容量比
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