英语词汇“mercer engine”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	mercer engine
释义	Mercer engine Mercer engine [′mər·sər ‚en·jən] (mechanical engineering) A revolving-block engine in which two opposing pistons operate in a single cylinder with two rollers attached to each piston; intake ports are uncovered when the pistons are closest together, and exhaust ports are uncovered when they are farthest apart.
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Mercer engine