| 摘要 |
The invention relates to the roof of the open site, especially the pool consisting of rooflight sheets attached to the bearing structure which consists of at least two rooflight sheets (1) bent to be of an arched shape, each rooflight sheet (1) is attached to at least two subarches (2) made of sections, ends the subarches (2) are interconnected with a cross arm (3) provided with elements (4) enabling placing on parallel guides (5), the diameter of one of the rooflight sheet (1) is smaller than the diameter of the other rooflight sheet (1). |
