英语词汇“extension bolt”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	extension bolt
释义	WordReference Random House Unabridged Dictionary of American English © 2024 exten′sion bolt′, Buildinga bolt fitted into a mortise in a door or the like, sliding into a socket in the head or the sill and having a head projecting from the surface of the door.
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