助推器

助推器可以指:

  • 火箭助推器(Booster),或稱助推火箭,幫助載具增加起飛推力的火箭
  • 復進助推器(Forward assist),又稱輔助推機,為步槍槍機無法正常復進時,用來手動將其復進的一種裝置。
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