| 名称 | ifc rel connects structural activity |
| 领域 | IFCRAIL |
| URL | http://cbims.org.cn/allscope/IFCRAIL-IfcRelConnectsStructuralActivity |
| 分类编码 | IfcRelConnectsStructuralActivity |
| 父类 | ifc rootifc rel connectsifc relationship |
| 子类 | |
| 等价类 | IFCROAD:ifc rel connects structural activity |