交流升压机

ac supply (alternating-current supply)

ac system (alternating-current system)

脉动电压或电流的\nalternating component【电子】;alternating-current component【电】

alternating-current power supply【电】

alternating-current signaling【电】;AC signalling【通信】

AC servo【电】;alternating-current servomechanism【电】

alternating-current electromagnetic relay【电】

alternating-current magnet