| 摘要 |
PROBLEM TO BE SOLVED: To provide an agricultural greenhouse used for cultivation of vegetables, fruits, flowers, etc.SOLUTION: A sheet obtained by vapor-depositing a material with a high reflectance to radiant heat such as aluminum, onto one surface or both surfaces of a resin film such as vinyl is uniformly provided with non-deposited parts of round shape, quadrangular shape, etc. in the whole sheet. |
