manual voltage regulation

例句：

1. 1. Manual voltage regulation is essential for maintaining safe power supply.
   手动电压调节对于保持安全电力供应至关重要。
2. 2. The engineer manually adjusted the voltage regulator to ensure optimal performance.
   工程师手动调整了电压调节器，以确保最佳性能。
3. 3. During power outages, manual voltage regulation can prevent equipment damage and minimize downtime.
   在停电期间，手动电压调节可以防止设备损坏并最小化停机时间。