电流计

例句：

1. 1. The engineer used an electrical current to power the machine.
   工程师用电流来给机器供电。
2. 2. The scientist conducted experiments using a digital current meter.
   科学家使用数字式电流表进行实验。
3. 3. The doctor measured the patient's blood pressure with a mercury-filled current meter.
   医生用汞填充的电流表测量病人的血压。