短語詞組短語refining ladle furnace 精鍊鋼包refining outside furnace 爐外精鍊refining g furnace 精鍊爐refining electric furnace 精鍊電爐copper refining anode furnace 銅精鍊陽極爐zinc -refining distillation furnace 鋅精餾爐the copper refining reverberatory furnace 銅精鍊反射爐melting -refining g furnace 熔鍊爐non -consumable electrode refining arc furnace 非自耗電極精鍊電弧爐 返回 refining furnace