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单词
firing pin
释义
WordReference Random House Unabridged Dictionary of American English © 2024
fir
′
ing pin′,
[
Ordn.
]
a plunger in the firing mechanism of a firearm or cannon that strikes the cartridge primer, igniting the propelling charge.
1870–75
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更新时间:2025/2/23 12:36:27