英语词汇“ratchet coupling”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	ratchet coupling
释义	ratchet coupling noun : a shaft coupling having a ratchet and pawl or a similar device whereby the driven member may be turned in one direction only by the driving member and may also overrun the driving member
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