词汇	copper gold
释义	copper gold 含铜黄金
随便看	series electronic self-balancing instrument series element series emendation series encoder Series end connection series energizing type series entry series equalizer series equivalent capacitance series equivalent circuit series equivalent resistance series ethylene series events series exchtation series excitation series excitation coil series excitation shunt excitation series excited dynamo series-excited generator series-excited generator sync signal series excited machine series excited machlne remineralization re-mineralization remineralizations