电力: [电学] power; electric power◇电力变阻器 power rheostat; 电力捕鱼 electrofishing; 电力潮流 direction of energy; 电力传动 electric drive [transmission]; power drive [transmission]; 电力传动系统 power transmission sy
恒: Ⅰ形容词1.(永久; 持久) permanent; lasting 短语和例子永恒 eternal; everlasting2.(平常; 经常) usual; common; constant 短语和例子恒言 common sayingⅡ名词1.(恒心) perseverance 短语和例子持之以恒 persevere in (doing sth.)2.(姓氏) a sur