signal lad

名词 n.

英文释义

名词 n.
  1. A young man employed in a signalbox to record the times of trains as they pass through the area served by the signalbox. UK
    — Signal lads are employed at the panel-operated boxes to record train times. A small replica of the track diagram with simplified track circuit indications and the general circuit telephone concentrators are incorporated in their desk, as here at Tonbridge.

词形变化

signal lads plural
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