单词	lower field
释义	lower field 下野
随便看	carrier-current communication carrier-current control carrier current frequency carrier current protection carrier-current protection carrier-current relay carrier current relay carrier-current relaying carrier-current signaling channel carrier-current signalling channel carrier current telegraph carrier current telemetering equipment carrier-current telephone carrier current telephone carrier current telephony carrier-current telephony carrier current transmission carrier current wave telegraph carrier curve carrier cycle carrier decoder carrier density carrier detect carrier detection carrier detector 栲栳栴栵栶样核根栺栻火药味火葬火葱火蛇火蛋白石火蝎子火表火警火计火身