three-wire transformer

例句：

1. 1. This three-wire transformer is used to convert AC power into DC power.
   这个三相变压器用于将交流电转换为直流电。
2. 2. The three-wire transformer is essential for the operation of large electrical systems.
   三相变压器对于大型电气系统的运行至关重要。
3. 3. The three-wire transformer is designed to withstand high voltage and high current.
   三相变压器设计用来承受高电压和大电流。