[IfcRelAssociatesClassification.RelatingClassification property 关联分类 public IfcClassificationNotationSelect RelatingClassification { get; set; } 也可以看看 class IfcClassificationNotationSelect class IfcRelAssociatesClassification 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
