[IfcAirToAirHeatRecoveryType.PredefinedType property PredefinedType public IfcAirToAirHeatRecoveryTypeEnum PredefinedType { get; set; } 也可以看看 enum IfcAirToAirHeatRecoveryTypeEnum class IfcAirToAirHeatRecoveryType 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
