motor operator

例句：

1. 1. The engineer was responsible for the design and construction of the new motor vehicle.
   这位工程师负责设计和建造新型汽车。
2. 2.The motor operator had to make quick decisions in order to keep the production line running smoothly.
   电机操作员必须迅速做出决定，以确保生产线顺畅运行。
3. 3. The motor operator was the first one to notice the problem with the engine's performance.
   电机操作员是第一个注意到引擎性能问题的。