[IfcApproval.Actors property 演员 public IfcCollection<IfcApprovalActorRelationship> Actors { get; } 也可以看看 class IfcCollection<T> class IfcApprovalActorRelationship class IfcApproval 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
