| 单词 | stop signal |
| 释义 | > as lemmasstop signal stop signal n. a signal indicating whether a train should stop. ΘΚΠ society > travel > rail travel > railway system or organization > [noun] > types of signal system > specific signal red light1790 danger1841 danger-signal1848 line clear1869 highball signal1894 starter1895 red board1903 stop signal1923 identification light1931 1923 W. G. Chapman 10.30 Limited x. 79 The home signal is the second signal reached and is usually near a signal box. It is a stop signal and must not be passed at ‘Danger’. 1963 G. M. Kichenside & A. R. Williams Brit. Railway Signalling ii. 16 Stop signals are..divided into two types: ‘home’ signals, usually placed on the approach side of a signal box, and ‘starting’ signals, placed beyond or in advance of a signal box... Before a signalman can accept a train from the previous signal box, the line must usually be clear for ¼-mile beyond his home signal. < as lemmas |
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