rf induction furnace

例句：

1. 1. The rf induction furnace is used for melting metals.
   电阻感应炉用于熔化金属。
2. 2. The rf induction furnace is a key component in the steelmaking process.
   电阻感应炉是钢铁生产过程中的关键组件。
3. 3. The rf induction furnace uses electric current to heat the metal, which reduces energy consumption.
   电阻感应炉使用电流加热金属，这降低了能源消耗。