[IfcAppliedValue.ArithmeticOperator property 算术运算符 public IfcArithmeticOperatorEnum ArithmeticOperator { get; set; } 也可以看看 enum IfcArithmeticOperatorEnum class IfcAppliedValue 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
