[IfcRevolvedAreaSolid.Axis property 轴 public IfcAxis1Placement Axis { get; set; } 也可以看看 class IfcAxis1Placement class IfcRevolvedAreaSolid 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
