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词汇 gas check
释义

Definition of gas check in English:

gas check

noun
Gunnery Firearms
  • A sealing device to prevent escape of combustion gases around or behind the bullet in firing a gun; especially a thin cap or cup fitted to the base of a cartridge, used to reduce deposition of lead in the barrel and improve performance.

Origin

Mid 19th century; earliest use found in U.S. Patents.

Definition of gas check in US English:

gas check

noun
Gunnery Firearms
  • A sealing device to prevent escape of combustion gases around or behind the bullet in firing a gun; especially a thin cap or cup fitted to the base of a cartridge, used to reduce deposition of lead in the barrel and improve performance.

Origin

Mid 19th century; earliest use found in U.S. Patents.

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