| energ.syst. |
double circuit dc energy transmission line (ssn); double circuit dc power transmission line (ssn); double circuit dc transmission line (ssn); double circuit direct current energy transmission line (ssn); double circuit direct current power transmission line (ssn); double circuit direct current transmission line (ssn); dual circuit dc energy transmission line (ssn); dual circuit dc power transmission line (ssn); dual circuit dc transmission line (ssn); dual circuit direct current energy transmission line (ssn); dual circuit direct current power transmission line (ssn); dual circuit direct current transmission line (ssn) |
