milliwattmeter

例句：

1. 1.The milliwattmeter was used to measure the power consumption of a device.
   毫瓦特表被用来测量设备的能量消耗。
2. 2.The engineer used the milliwattmeter to test the circuit's performance.
   工程师使用毫瓦特表来测试电路的性能。
3. 3.The milliwattmeter showed that the device was consuming less power than expected.
   毫瓦特表显示该设备消耗的功率比预期要少。