英语词汇“bolt head”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	bolt head
释义	bolt head noun Etymology: Middle English bolthed, from bolt (I) + hed head 1. : the head of a bolt 2. : matrass 3. : the end of a rifle bolt that seats the cartridge in the chamber
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