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来源:雅诚德英语网
The formation of secondary muzzle flash is closely related to reducing gases in combustion products.
枪炮二次焰的形成与燃烧产物中还原性气体息息相关。
The formation of secondary muzzle flash is closely related to reducing gases in combustion products.
枪炮二次焰的形成与燃烧产物中还原性气体息息相关。