目前,软包装食品在美国市场十分活跃繁荣,由于其生产技术多年来得到许多改善,促进了食品软包装有了较快发展和增长。但是,食品软包装还尚未完全取代金属罐和阻隔性塑料罐头的市场,只是处在不断渗透进入食品、家禽肉、煮花生以及自热型两道主餐之间的小菜类食品中,并逐渐获得市 At present, flexible packaging food is very active in the United States market, due to many improvements in its production technology over the years, promoted the rapid development and growth of flexible food packaging. However, flexible packaging of foodstuffs has not yet completely replaced the market for cans and barrier plastic cans, but is gradually gaining access to the small appetizer food constantly infiltrating between the two main dishes of food, poultry, peanut and autothermic type city