英语词汇“track circuit”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

track circuit

track circuit n. an electric circuit formed by the two rails of a railway line, so that the short-circuit produced by the presence of a train can be used to control the signals protecting it.

ΚΠ

1911 Encycl. Brit. XXV. 76/2 At points the track circuit is run through a circuit breaker, so that the ‘opening’ of the points sets the signal for the section.

1931 E. T. MacDermot Hist. G.W.R. II. 498 Track circuits, whereby the signals protecting an occupied section of line are electrically locked at Danger, were first introduced in August 1907.

1983 Internat. Railway Jrnl. May 8/1 The Landskut box controls 125 signals, 83 points and 110 track circuits.

extracted from trackn.

as lemmas

单词	track circuit
释义	> as lemmas track circuit track circuit n. an electric circuit formed by the two rails of a railway line, so that the short-circuit produced by the presence of a train can be used to control the signals protecting it. ΚΠ 1911 Encycl. Brit. XXV. 76/2 At points the track circuit is run through a circuit breaker, so that the ‘opening’ of the points sets the signal for the section. 1931 E. T. MacDermot Hist. G.W.R. II. 498 Track circuits, whereby the signals protecting an occupied section of line are electrically locked at Danger, were first introduced in August 1907. 1983 Internat. Railway Jrnl. May 8/1 The Landskut box controls 125 signals, 83 points and 110 track circuits. extracted from trackn. < as lemmas
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