medium frequency induction heater

例句：

1. 1. The medium-frequency induction heater is used to heat up the metal parts during the manufacturing process.
   中频感应加热器用于在制造过程中加热金属部件。
2. 2. The medium-frequency induction heater can be used to weld various materials together.
   中频感应加热器可以用来焊接各种材料。
3. 3. The medium-frequency induction heater is an essential tool for metalworking workshops.
   中频感应加热器是金属加工车间必备的工具。