vibrator power supplies造句

例句与造句

1. The type 48 pairs were parallel connected, or connected in electromechanical vibrator power supply to provide increased voltage.
2. Vibrator power supplies could also be made to work from a 6 volt supply from a dedicated wind-charger or from a car battery borrowed from a farm vehicle.
3. By the early 1930s most car radios, no longer experimental, were superheterodynes and used a vibrator power supply to step up the low voltage to high voltage ( " B + " voltage of anywhere from 90 to 250 volts ) for the vacuum tubes.
4. It's difficult to find vibrator power supplies in a sentence. 用vibrator power supplies造句挺难的