millivoltmeter pyrometer

例句：

1. 1.The millivoltmeter was used to measure the resistance of the circuit.
   毫伏表被用来测量电路的电阻。
2. 2.The engineer used the millivoltmeter to check the accuracy of the electronic device.
   工程师使用毫伏表来检查电子设备的准确性。
3. 3.The millivoltmeter was used to monitor the voltage fluctuations in the power supply.
   毫伏表用于监测电源电压的波动。