英语词汇“piston valve”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	piston valve
释义	piston valve noun 1. : a reciprocating valve consisting of a piston or connected pistons working in a cylindrical case provided with ports that are traversed by the valve 2. : piston 2a
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