[IfcPipeFitting.PredefinedType property PredefinedType public IfcPipeFittingTypeEnum PredefinedType { get; set; } 也可以看看 enum IfcPipeFittingTypeEnum class IfcPipeFitting 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
