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单词
firing pin
释义
firing pin
n.
(名词)
The part of the bolt or breech of a firearm that strikes the primer and detonates the charge of a projectile.
撞钟:火器中用于撞击起爆剂使子弹起爆的螺栓或后膛的一部分
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更新时间:2026/7/3 14:19:44