tra istorized 60-balanced cable carrier telephone system tra istorized 60-cha el balanced cable carrier telephone system transistorized 60-channel balanced cable carrier telephone system
Related Translations:
载波: signal carrier; carrier wave; carrier: 3路载波 three-channel carrier◇载波传输 carrier transmission; 载波电报 carrier telegraphy; carrier current telegraph; 载波电话 carrier telephony; carrier current tel
载波电话: carrier current telephonycarrier phonecarrier system telephonecarrier telephone equipmentcarrier telephonycarrier wave telephonycarrier-current telephonecarrier-current telephonycurrent te