英语词汇“piston ring”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 ring
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pis′ton ring′, Automotive, Mechanical Engineeringa metallic ring, usually one of a series, and split so as to be expansible, placed around a piston in order to maintain a tight fit, as inside the cylinder of an engine. Also called packing ring, ring. 1865–70 Collins Concise English Dictionary © HarperCollins Publishers:: piston ring n a split ring, usually made of cast iron, that fits into a groove on the rim of a piston to provide a spring-loaded seal against the cylinder wall
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更新时间：2025/7/2 3:42:38