| 摘要 |
The structure, consisting of side wall (2, 2') and top members (3), has the latter made in then form of a partition with a double transverse curvature - a central section (33) which is only slightly curved, and end sections (34, 34') which have the same curvature as the side walls. The top members meet the side walls tangentially and have reinforcing ribs (32) on the underside to take the weight of the members themselves and any loads applied to them.
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