[IfcSurfaceOfLinearExtrusion.ExtrudedDirection property 挤压方向 public IfcDirection ExtrudedDirection { get; set; } 也可以看看 class IfcDirection class IfcSurfaceOfLinearExtrusion 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
