commutating electromotive force

例句：

1. 1. The commutating electromotive force is crucial for the operation ofthe generator.
   交流电的电磁力对于发电机的运行至关重要。
2. 2. The commutating electromotive force is responsible for the flowof electricity through the circuit.
   交流电的电磁力负责通过电路传输电流。
3. 3. The commutating electromotive force is afundamental concept in electrical engineering.
   交流电的电磁力是电气工程中的基本概念。