[IfcConstraint.Aggregates property 聚合 public IfcCollection<IfcConstraintAggregationRelationship> Aggregates { get; } 也可以看看 class IfcCollection<T> class IfcConstraintAggregationRelationship class IfcConstraint 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
