目前世界各资本主义国家商品的包装、装卸和运输,已经基本上实现托盘化、组合化、集装化。托盘和集装箱已成为商品运输包装的两种主要手段。用于长距离运输的载货托盘,一般有三种紧缚固定方法:收缩包装法、拉伸包装法和粘结固定法。拉伸包装 At present, the packaging, handling and transportation of commodities in various capitalist countries in the world have basically realized the palletization, the combination and the containerization. Trays and containers have become the two main means of transport packages for goods. For long-distance transport of the pallets, there are generally three fastening methods: shrink packaging, stretch packaging and bonding method. Stretch the package