特殊用法cupola hearth1.冲天炉炉底fore hearth1.前炉床, 预热室, 炉前室, 贮水铁炉, 前炉furnace hearth1.炉底; 炉床, 炉缸lead ore hearth1.熔铅矿敞炉liquation hearth1.熔析炉monolithic furnace hearth1.整体炉床open hearth1.平炉ore hearth1.熔矿炉; 膛式炉oven hearth1.炉底, 炉床ring hearth1.(有芯感应炉)熔沟rivet hearth1.铆钉炉roller hearth1.辊道炉床, 辊道炉膛slag hearth1.渣炉sloping hearth1.斜炉底smelter hearth1.熔炼炉smith's hearth1.锻工炉; 锻炉water back ore hearth1.水套冶矿炉