| 单词 | track circuit |
| 释义 | track circuit Track circuit clips are used to short the lineside circuit, overriding the signalling system and turning nearby signals to 'danger'. Times, Sunday Times However, the affected lines had been upgraded to a new signalling system meaning that track circuit clips did not work. Times, Sunday Times He has become friends with a lot of people on the track circuit. Times, Sunday Times His design consisted of electrically operated discs located atop small trackside signal huts, and was based on an open track circuit. Retrieved from Wikipedia CC BY-SA 3.0 When a vehicle derails completely, its wheels cease to shunt the track circuit. Retrieved from Wikipedia CC BY-SA 3.0 |
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