| 摘要 |
PURPOSE: A double plastic sheet for a plastic greenhouse is provided to enable users to easily cool and heat the plastic greenhouse, and to economically install the double plastic sheet. CONSTITUTION: A double plastic sheet for a plastic greenhouse includes the following: an upper plastic sheet(11) and a lower plastic sheet(12); and fusing units(15) formed in between the upper and lower plastic sheet with air layers(16), repeatedly installed on the plastic sheets toward the longitudinal direction of the plastic sheets. Both side edges of the double plastic sheet are fused. The upper plastic sheet surface is exposed to the outside. A blowing unit combined to a ventilation pipe is installed in the predetermined position connecting the space in between the upper and lower plastic sheets. |
