crystal voltmeter

例句：

1. 1.The crystal voltage meter was used to measure the voltage across the resistor.
   晶体电压表被用来测量电阻两端的电压。
2. 2. The engineer used a crystal voltage meter to check the accuracy of the circuit.
   工程师使用晶体电压表来检查电路的准确性。
3. 3. The crystal voltage meter showed that the voltage was exactly as expected.
   晶体电压表显示电压正好符合预期。