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 ratchet coupling [′rach·ət ‚kəp·liŋ] (mechanical engineering) A coupling between two shafts that uses a ratchet to allow the driven shaft to be turned in one direction only, and also to permit the driven shaft to overrun the driving shaft.
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