selsyn transformer

例句：

1. 1. The new selenium transformer has greatly improved the efficiency of our power system.
   新型硒化物变压器大大提高了我们电力系统的工作效率。
2. 2.The transformer was designed to handle high voltage electrical signals.
   变压器被设计用来处理高压电信号。
3. 3.The inverter is used to convert direct current into alternating current.
   逆变器用于将直流电转换为交流电。