direct current-direct current DC-DC converter
direct-current direct-current converter
alternating current-direct current
asymmetric alternating current-direct current powe
asymmetric alternating current-direct current power supply
Blushless Direct Current Motor
brushless direct current motor
brushless direct current motor BLDCM
Direct current motor control
Direct current motor generator
direct current motor-brace-rocher machine
linear brushless direct current motor
permanent magnet brushless direct current motor
Permanent Magnet Direct Current Motor
Rare earth permanent magnet direct current motor
1 000 kV ultra-high voltage direct current
3-D direct current survey
救护飞机(Airam bulances)
三维直流电法