| 摘要 |
The units are connected together in situ and comprise a floor beam layer and/or a roof beam layer, all or most of which are made from metal parts, as well as walls assembled from metal parts and columns consisting of or predominantly comprising metal parts. Water pipes and/or drains and/or cable ducts are provided in the floor and/or roof beam layer and are designed to be in communication with those in the adjacent connecting unit. |
