device handler

例句：

1. 1. The device handler is responsible for ensuring the safety of all personnel during maintenance tasks.
   设备处理者负责在维护任务期间确保所有人员的安全。
2. 2. The device handler has to be skilled in handling various types of equipment.
   设备处理者需要具备处理各种类型设备的技能。
3. 3. The device handler should have a good understanding of electrical safety procedures.
   设备处理者应该对电气安全程序有深入的了解。