| 单词 | breechblock |
| 释义 | breechblock['bri:tʃblɒk]n. 炮闩, 闩体, 尾栓 breechblock breech.block AHD: [br¶ch“bl¼k”] D.J. [6bri8t.7blKk]K.K. [6brit.7bl$k]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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