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