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-exchange line direct feeder direct fire |
direct-current telegraphy телеграфиране с постоянен ток Търсената дума е намерена |