英语词汇“ratchet wheel”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	ratchet wheel
释义	WordReference Random House Unabridged Dictionary of American English © 2024 ratch′et wheel′, Mechanical Engineeringa wheel, with teeth on the edge, into which a pawl drops or catches, as to prevent reversal of motion or convert reciprocating motion into rotatory motion. 1770–80
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