短语词组短語bar r copper 棒銅bar copper copper bar 銅條flat bar copper 扁銅棒round bar copper 圓銅棒wire bar copper 線錠銅;條錠銅bare bar copper 裸銅條rectangular -bar copper 矩形銅條bar copper wire 銅條Conductive bar copper for cathod 隂極導電銅棒 返回 bar copper