[IfcProductRepresentation.Representations property 表示 public IfcCollection<IfcRepresentation> Representations { get; set; } 也可以看看 class IfcCollection<T> class IfcRepresentation class IfcProductRepresentation 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
