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