coreless type induction furnace

例句：

1. 1.The coreless type induction furnace is used for melting metals.
   无芯感应炉用于熔化金属。
2. 2. This coreless type induction furnace has a high efficiency and low energy consumption.
   这种无芯感应炉效率高，能耗低。
3. 3. The coreless type induction furnace is widely used in the manufacturing industry.
   无芯感应炉在制造业中广泛使用。