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单词
breech mechanism
释义
breech mechanism
breech mechanism
[
′brēch ‚mek·ə‚niz·əm
]
(ordnance)
The assembly at the rear of a gun which receives the round of ammunition, inserts it in the chamber, fires the round by detonating the primer, and extracts the empty case.
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更新时间:2025/6/24 12:07:46