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词汇 breechblock
释义

breechblock

/`britʃˏblɑk/ /`brɪtʃˏblɑk/

n.

The block in breech-loading firearms that closes the rear of the barrel against the force of the charge and prevents gases from escaping.

枪炮闩。

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更新时间:2026/10/19 17:43:27