banner repeater

名词 n.

英文释义

名词 n.
  1. A type of railway signal which shows the aspect of a signal ahead of it, normally used in a situation where the main signal is hidden from view, for instance where there is a curve in the track. UK
    — Banner-Repeater signals tend to be provided in locations where drivers receive insufficient warning of the main signal, thereby effectively increasing the sighting distance for the main signal.

词形变化

banner repeaters plural
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