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
例子
Signal maintainers inspect tracks regularly to detect any potential issues with the signals.
信号维护人员定期检查轨道以发现信号中的任何潜在问题。
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。



























