electrotechnical instrument

例句：

1. 1. The engineer used an electrotechnical instrument to diagnose the problem.
   工程师使用一种电子技术仪器来诊断问题。
2. 2.The electronics technician was responsible for maintaining the equipment in the factory.
   电子技术员负责维护工厂的设备。
3. 3. The doctor used an electrotechnical instrument to perform a medical test on the patient.
   医生使用一种电子技术仪器对病人进行医疗测试。