单词	amplifier unit
释义	amplifier unit擴音機機械工程
随便看	reverse clipping reverse code dictionary reverse collar reverse colussi reverse combustion reverse commuter reverse commuting reverse compound-wound motor reverse conducting diode thyristor reverse conducting thyristors reverse conducting triode thyristor reverse contact reverse control reverse control hodograph reverse copying reverse crepe reverse current reverse-current braking reverse-current breaker reverse current circuit breaker reverse-current circuit breaker reverse current detector reverse-current metering reverse-current protecting equipment reverse current protection