commutating pole generator

例句：

1. 1.The commutating pole generator is essential for powering the electronic devices in our office.
   交流极发电机对于我们办公室的电子设备来说是必不可少的。
2. 2. The commutating pole generator was designed to improve the efficiency of the electrical system.
   交流极发电机被设计来提高电气系统的效率。
3. 3. The commutating pole generator is responsible for converting alternating current into direct current.
   交流极发电机负责将交流电转换为直流电。