[IfcReinforcementBarProperties.TotalCrossSectionArea property TotalCrossSectionArea public IfcAreaMeasure TotalCrossSectionArea { get; set; } 也可以看看 class IfcAreaMeasure class IfcReinforcementBarProperties 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
