?? ??? ???? ?? ???? ?????? ????? ????? ??????? ??? ? ???? ?????? ?? ?? ?? ?? ???? ???? ????? ???? ? ?? ??? ??? ?????? ??? ?? ??? ????? ?????? ???? ?? ??? ???? ?? ??????? ????? ???? ????? ?????.Ease of use With hybrid interaction, the Rosemount 1408H radar level transmitter is not difficult to combine with any automation program.????? ?????? ?? ????