罐装饮料都是采用薄铝皮或薄铁皮作包装品,在运输和堆放过程中很容易使罐子变形或造成破损。英国一家公司发明了一种新方法,可以提高饮料罐的强度。这种方法是在装罐前,将氮气溶解在饮料中,装罐密封后,氮气从饮料中释放出来,对罐壁产生一种 Canned drinks are made of thin aluminum or thin sheet metal for packaging, which can easily deform or break the can during shipping and stacking. A British company invented a new method to increase the strength of beverage cans. In this method, nitrogen is dissolved in the beverage prior to canning, and after the can is sealed, nitrogen is released from the beverage to create a