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