breechblock

汉语翻译

n. 炮闩, 闩体, 尾栓

英语解释：

名词 breechblock:

1. a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing
   同义词：breech closer

详细解释：

breech.block

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 * 并在射击前被替换