[IfcCompressorType.PredefinedType property PredefinedType public IfcCompressorTypeEnum PredefinedType { get; set; } 也可以看看 enum IfcCompressorTypeEnum class IfcCompressorType 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]