信号控制员；铁路信号员
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信号控制员；铁路信号员；信号控制员；铁路信号员
a person whose job is to operate railway signals and points; a signalman
The signal controller adjusted the points to route the freight train to the correct platform.
信号控制员调整道岔,将货运列车引导至正确的站台。
信号控制员；铁路信号员
a person whose job is to operate railway signals and points; a signalman
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