Project: Pingyi County Traditional Chinese Medicine Cultivation Base

　　In the cold season, there is a certain temperature difference between inside and outside the greenhouse, and the temperature inside the greenhouse is relatively large, which leads to the generation of fog droplets. The harm caused will not only reduce the light transmittance and cause the light in the greenhouse to be greatly reduced, but also the water mist dripping from the top Drops will affect the growth of indoor plants or the environment of leisure, dining and sightseeing in the greenhouse and increase the possibility of pests and diseases.