direct resistance heating equipment

例句：

1. 1.The new direct resistance heating equipment has greatly improved the efficiency of our factory.
   新型的直接电阻加热设备大大提高了我们工厂的效率。
2. 2.This type of heating equipment is widely used in various industries.
   这种加热设备广泛应用于各个行业。
3. 3.The direct resistance heating equipment can quickly heat up the material to the desired temperature.
   这种直接电阻加热设备可以快速将材料加热到所需的温度。