| 摘要 |
<p>Greenhouse consisting of a bottom (23), opaque and insulated standing walls (24) and a translucent roof, characterized in that the roof of the greenhouse (3) consists of longitudinal, almost flat strips (2) which are opaque and which can rotate around an axis of rotation directed in their longitudinal direction, whereby they make the top side of the greenhouse (3) practically light-tight when rotated in their horizontal or lying position, and in that means (27-30) are provided to rotate these strips (2).</p> |
