electromagnetic ammeter

例句：

1. 1. The engineer used an electromagnetic ammeter to measure the power consumption of the device.
   工程师使用电磁式电流表来测量设备的功耗。
2. 2. The ammeter was a critical component in the electrical circuitry of the old clock.
   这个电流表是旧时钟电路中的关键组件。
3. 3. The engineer carefully checked the readings from the electromagnetic ammeter before making any adjustments.
   工程师在做出任何调整之前，仔细检查了电磁式电流表的读数。