- track indicating relay
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ж.-д. повторитель путевого реле
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
Track circuit — A track circuit is a simple electrical device used to detect the presence or absence of a train on rail tracks, used to inform signallers and control relevant signals. Principles and operation The basic principle behind the track circuit lies in… … Wikipedia
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