lower operating range control

例句：

1. 1. The lower operating range control is crucial for maintaining the stability of the system.
   操作范围控制对于保持系统的稳定性至关重要。
2. 2.The engineers adjusted the lower operating range control to optimize the performance of the machine.
   工程师们调整了操作范围控制，以优化机器的性能。
3. 3. The lower operating range control helps to prevent overheating and ensure safe operation of the equipment.
   操作范围控制有助于防止过热并确保设备的安全可靠运行。