air-arc furnace

例句：

1. 1.The air-arc furnace is a type of metallurgical furnace that uses electric arcs to melt metal.
   空气弧炉是一种冶金炉，使用电弧来熔化金属。
2. 2. The air-arc furnace is widely used in the production of ferroalloys and other non-ferrous metals.
   空气弧炉在生产铁合金和其他有色金属方面得到了广泛应用。
3. 3. The air-arc furnace has several advantages over traditional furnaces, such as higher efficiency andlower energy consumption.
   空气弧炉相对于传统炉子具有许多优点，如更高的效率和更低的能源消耗。