Signal maintainer
01
信号维护员, 信号维护技术员
a person who ensures that train signals are functioning properly and safely
语法信息
有生性状态
人类
形态构成
复合词
可数
复数形式
signal maintainers
例子
A signal maintainer often works long hours, especially during inclement weather or emergencies.
信号维护员经常长时间工作,尤其是在恶劣天气或紧急情况下。



























