英语词汇“breechblock”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	breechblock
释义	breechblock /ˈbriːtʃblɒk/ noun A metal block which closes the aperture at the back part of a rifle or gun barrel.In addition to new breechblocks and hammers, the older extractor was replaced with a newer design.... Tip the end of the breechblock downward enough for the striker to slide out the back of the block. The extractors eject the cartridge case and retain the breechblock in the fully open position.
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