lamp checkpotentiometer

例句：

1. 1. The new digital camera features a built-in LED lamp check potentiometer for easy adjustment of exposure settings.
   这款新型数码相机内置了LED灯检电位计，便于轻松调整曝光设置。
2. 2.The technician used the LED lamp check potentiometer to troubleshoot the faulty circuit in the power supply unit.
   技术人员使用LED灯检电位计来诊断电源单元中故障的电路。
3. 3. During the inspection, the engineer checked the LED lamp check potentiometer and verified that all components were functioning properly.
   在检查过程中，工程师检查了LED灯检电位计，并验证了所有组件都正常工作。