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