短語(yǔ)詞組短語(yǔ)blister and refined unwrought copper 粗鍊的和精鍊的未鍛銅Electrolytic refined copper 電解銅fire reel refined copper 爐精鍊銅electrolytical refined copper 電解銅fire refined copper 火法精鍊銅Refined Copper Foil 精鍊銅箔fire -refined tough-ptiched copper 火法精鍊靭銅Pure refined copper floor drain 純精銅地漏 返回 refined copper