日光温室及塑料大棚棚膜固定新技术常规的日光温室及塑料大棚的棚膜是用压膜绳来固定。固定的目的是防止风对棚膜的损坏。但遇到大风时，大多起不到固定作用。棚膜常被损坏。有的生产者为防大风袭击，放下草帘来保护棚膜。但冬春风大风多，总盖草帘影响棚内温度和光照，对... Sunlight greenhouses and plastic greenhouses shed film fixed new technology Conventional greenhouses and plastic greenhouse shed film is fixed with a film rope. The purpose of fixing is to prevent wind damage to the film. But in the face of strong winds, most of them can not play a fixed role. Green film often damaged. Some producers to prevent wind strikes, put down the straw curtain to protect the film. However, the strong winds of spring and winter, the total cover straw curtain affect the shed temperature and light ...