单词	a-b长途系统
释义	A-B长途系统A-B toll system
随便看	feed-back circuit feedback circuit feedback circuits feedback circuit topology feedback coil feedback coil--tickler coil feedback communication feed back compensation feed-back compensation feedback compensation feedback condenser feed back conductance feedback connection feed back control feed-back control feedback control feedback control action feedback control design feedback control for injection laser feedback control for semiconductor feedback control hybrid [feedback] controller feedback controller feedback controlling element feed back control loop