| 释义 |
breech·block AHD[brēchʹblŏk'] D.J.[ˈbriːtʃˌblɒk]K.K.[ˈbritʃˌblɑk]n.（名词）- The metal part that closes the breech end of the barrel of a breechloading gun and that is removed to insert a cartridge and replaced before firing.炮闩，枪闩：关闭后膛装弹枪的枪后部的后膛的金属部分，可以拆卸下来装子弹并在射击前被替换
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