[IfcRelServicesBuildings.RelatedBuildings property 相关建筑物 public IfcCollection<IfcSpatialElement> RelatedBuildings { get; set; } 也可以看看 class IfcCollection<T> class IfcSpatialElement class IfcRelServicesBuildings 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
