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automatic breech mechanism
释义
automatic breech mechanism
automatic breech mechanism
[
¦ȯd·ə¦mad·ik ′brēch ‚mek·ə′niz·əm
]
(ordnance)
A device that utilizes the energy of recoil, or the pressure of the powder gases, to open the breech, withdraw the fired cartridge case, insert a new cartridge, and close the breech.
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have a lock on them
have a lock on us
have a lock on you
have a long memory
have a long way to go
have a look
have a look at
have a look (at someone or something)
have a look at someone/something
have a look for
have a look-see
have a loose screw
have a loose tongue
have a lot, anything, etc. on
have a lot going
have a lot going for
have a lot going for her
have a lot going for him
have a lot going for me
have a lot going for (one)
have a lot going for one
have a lot going for somebody
have a lot going for someone
have a lot going for them
have a lot going for us
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更新时间:2026/6/18 9:40:39