[IfcRelSpaceBoundary2ndLevel.Corresponds property 对应 public IfcCollection<IfcRelSpaceBoundary2ndLevel> Corresponds { get; } 也可以看看 class IfcCollection<T> class IfcRelSpaceBoundary2ndLevel 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
