机务人员

例句：

1. 1. He is a skilled machine operator who can fix any mechanical problem.
   他是一位熟练的机械操作员，能够解决任何机械问题。
2. 2. The engineer was responsible for designing and building the new bridge.
   这位工程师负责设计和建造这座新桥。
3. 3. The mechanic fixed the car's engine in no time.
   那位机械师很快就修好了汽车的引擎。