[IfcReinforcingBarType.NominalDiameter property 标称直径 public IfcPositiveLengthMeasure NominalDiameter { get; set; } 也可以看看 class IfcPositiveLengthMeasure class IfcReinforcingBarType 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]