[IfcApprovalActorRelationship.Actor property 演员 public IfcActorSelect Actor { get; set; } 也可以看看 class IfcActorSelect class IfcApprovalActorRelationship 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
