化铁炉

例句：

1. 1. The steel mill is located in the heart of the city.
   钢铁厂位于市中心。
2. 2. The iron ore was heated to a high temperature before being melted into steel.
   铁矿石在被熔化成钢之前需要加热到高温。
3. 3. The furnace is essential for converting raw materials into finished products.
   炉子是把原材料转化为成品的关键设备。