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Signaler
01
信号手
a person responsible for operating signals and ensuring safe movement of trains
例
The signaler monitored the track for any signs of obstruction.
The signaler waved a green flag to indicate clearance for the train.
They relied on the signaler to maintain communication with train crews.
She communicated with the signaler to coordinate track switching.
He trained as a signaler to advance his career in rail operations.
