英语词汇“ratchet stop”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 stop
释义	ratchet stop noun : a device for limiting the motion of machinery in one direction that consists of a ratchet wheel or bar and a pawl which acts as a positive stop or controls the motion through a friction brake
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