技师

例句：

1. 1. He is a skilled technician who can fix any mechanical problem.
   他是一个熟练的技工，可以解决任何机械问题。
2. 2.The engineer has designed a new model of car that is more fuel-efficient.
   这位工程师设计了一款更节能的新型汽车。
3. 3.The technician was called in to fix the broken air conditioner.
   那位技工被召来修理坏了的空调。