[IfcRightCircularCone.BottomRadius property 底部半径 public IfcPositiveLengthMeasure BottomRadius { get; set; } 也可以看看 class IfcPositiveLengthMeasure class IfcRightCircularCone 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
