| 名称 | ifc duct segment type |
| 领域 | IFCROAD |
| URL | http://cbims.org.cn/allscope/IFCROAD-IfcDuctSegmentType |
| 分类编码 | IfcDuctSegmentType |
| 父类 | ifc element typeifc distribution element typeifc distribution flow element typeifc rootifc flow segment typeifc type objectifc object definitionifc type product |
| 子类 | |
| 等价类 | IFCRAIL:ifc duct segment type |