英语词汇“breech block”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	breech block
释义	breech block 基本英英 n.枪闩尾栓;闭锁机;游底;螺体名词 breechblock: a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
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