CO2 improves flavors, contributes acidic preservative action, produces tingling mouthfeel, and gives the sparkling effervescent appearance to the beverage. is directly mixed with carbonated water as the drink is being drawn.

• 二氧化碳改善了风味,为饮料提供了酸性环境,产生了刺激性口感,并赋予了软饮料气泡飞涌的外观。