[IfcValveType.PredefinedType property PredefinedType public IfcValveTypeEnum PredefinedType { get; set; } 也可以看看 enum IfcValveTypeEnum class IfcValveType 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
