短語詞組短語refining ladle furnace 精煉鋼包refining outside furnace 爐外精煉refining g furnace 精煉爐refining electric furnace 精煉電爐copper refining anode furnace 銅精煉陽極爐zinc -refining distillation furnace 鋅精餾爐the copper refining reverberatory furnace 銅精煉反射爐melting -refining g furnace 熔煉爐non -consumable electrode refining arc furnace 非自耗電極精煉電弧爐 返回 refining furnace