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自６０年代塑料应用于大、中、小棚及日光温室生产中以来，在提高蔬菜产量、改善蔬菜品质和解决鲜细菜周年供应等方面发挥了重要的作用，创造了巨大的经济效益和社会效益。但我国普遍使用的棚膜寿命短、功能单一、成本高，远不能满足生产的要求。８０年代末，我国的功能性...
Since the plastic used in large, medium and small sheds and solar greenhouse production in the 60’s, it has played an important role in raising vegetable yield, improving vegetable quality and solving annual supply of fresh vegetables. It has created enormous economic benefits and social benefit. However, the commonly used greenhouse film in our country has short life span, single function and high cost, far from meeting the requirements of production. In the late 1980s, our country’s functional ...