a chief engineer的用法和样例：
- He is a chief engineer in the factory.
- A chief engineer in the construction.
- I know we have a chief engineer from England.
- Heinemann, 77, like Johnson a Michigander displaced to California, has been a chief engineer at Douglas since 1936.
- It is possible to create a different sound within a car from the one that is heard outside, says Colin Peachey, a chief engineer with Lotus.