subcommutator

例句：

1. 1. The subcommutator is a crucial component in the power system.
   逆变器是电力系统中至关重要的组成部分。
2. 2.The subcommutator converts AC to DC for use in electronic devices.
   逆变器将交流电转换为直流电，用于电子设备中。
3. 3. The subcommutator plays a vital role in maintaining the stability of the power grid.
   逆变器在维护电网稳定性方面起着至关重要的作用。