铁路机车车辆内部噪声测量: measurement of noise inside railway vehicles
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