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