A multilayer sheet harmless to human beings, having a certain gas-barrier property, and comprising an easily-produced metal film layer and a packaging material made of the multilayer sheet.
多层片对人体无害，具有一定的气体阻隔性，并包括一个易于制作的金属薄膜层和包装材料的多层片材的。
2
The multilayer structure is preferably a film, more preferably in the form of a pouch, preferably for packaging flowable product, especially milk.
该多层结构优选为薄膜，更优选为袋状物的形式，优选用于包装可流动产品，特别是牛奶。
3
The dropping shock model of multilayer apples provides the foundation of cushioning packaging design for apples.