BIM

ifc track element component

名称	ifc track element component
领域	IFCRAIL
URL	http://cbims.org.cn/allscope/IFCRAIL-IfcTrackElementComponent
分类编码	IfcTrackElementComponent
父类	ifc railway element component ifc civil element component ifc element component ifc root ifc product ifc object ifc element ifc object definition
子类	ifc track accessory equipment ifc track rail joint ifc track strengthening equipment
等价类