[IfcAppliedValueRelationship.ArithmeticOperator property 算术运算符 public IfcArithmeticOperatorEnum ArithmeticOperator { get; set; } 也可以看看 enum IfcArithmeticOperatorEnum class IfcAppliedValueRelationship 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
