激励级电路

driving voltage【电子】;energizing voltage【电子】;exciting voltage【电子】

driving mechanism for push-button switches with click-stop device

closed chain driving sprocket【矿】

mine workings【矿】;sinking and driving engineering【矿】

groove transducing head driving

driver element【自】;driving unit【自】

driving while intoxicated

garage-type mobile jack with fluid driving gear