词汇	keen amateur
释义	keen amateur 热心的业余爱好者
随便看	reverse-current metering reverse current metering pulse reverse current of bipolar transistor reverse current of LED reverse current plugging system reverse current protecting equipment reverse-current protecting equipment reverse current protection reverse-current protection reversecurrent relay reverse current relay reverse-current relay reverse current release reverse-current release reverse current switch reverse-current switch reverse-current swithch reverse current test reverse-current timelag relay reverse current time lag relay reverse current time-lag relay reverse-current time-lag relay reverse current transfer ratio reverse-current transfer ratio reverse current trip