direct-current neutral grid direct current relay direct-current shift direct-current telegraphy direct-current transmission direct-current voltage direct dialling direct drive direct-drive engine direct-drive motor direct-driven airscrew direct-drive turbine direct dye direct dyeing directed bond directed graph directed quantity directed ray directed valency direct-electromotive force |
direct-current neutral grid мрежа от нулеви проводници в система за постоянен ток Търсената дума е намерена |