英语词汇“breech 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	breech bolt
释义	breech bolt breech bolt [′brēch ‚bōlt] (ordnance) A mechanism which opens and closes the breech in a carbine, machine gun, rifle, and the like; designed to push a cartridge into the chamber by sliding action.
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