Other expression · CEFR B2
signal operator
other_expression
信号操作员(尤指在铁路调车场负责信号和道岔的人员)
- 1.
a person who operates railway signals, especially one who controls signals and track points in a railroad yard
信号操作员(尤指在铁路调车场负责信号和道岔的人员)
In use
The signal operator changed the points before the express train arrived.
Dictionary facts from AI_SUPPLEMENT.