| 名称 | ifc external spatial structure element |
| 领域 | IFCROAD |
| URL | http://cbims.org.cn/allscope/IFCROAD-IfcExternalSpatialStructureElement |
| 分类编码 | IfcExternalSpatialStructureElement |
| 父类 | ifc rootifc productifc spatial elementifc objectifc object definition |
| 子类 | ifc external spatial element |
| 等价类 | IFCRAIL:ifc external spatial structure element |