英语词汇“guard pin”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	guard pin
释义	WordReference Random House Unabridged Dictionary of American English © 2024 guard′ pin′, [Horol.] Time(in a lever escapement) a pin on the lever, meeting the safety roller in such a way as to prevent the lever from overbanking. See diag. under lever escapement. 1875–80
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