[IfcSurfaceOfRevolution.AxisPosition property AxisPosition public IfcAxis1Placement AxisPosition { get; set; } 也可以看看 class IfcAxis1Placement class IfcSurfaceOfRevolution 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]