英语词汇“free piston”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	free piston
释义	free piston noun : a combination of two pistons that are usually of different diameters, are rigidly attached to the same piston rod, work in different cylinders without external connection, and are used in some pumps and pressure gauges
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英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。