A blocking up. block system n. on Railways a system by which the line is divided into short sections, having at the end of each a signal, and a…
| 单词 | θ202694 |
| 释义 | society > travel > rail travel > railway system or organization > [noun] > types of signal system (40) block system1864 A blocking up. block system n. on Railways a system by which the line is divided into short sections, having at the end of each a signal, and a… lock and block1872 a system of railway signalling in which a train is prevented, by means of a locked signal, from entering a section of line occupied by another train… signalling1873 Railways. A network or system of railway signals. Cf. signal, n. 7a. Subcategories:— operation of (2) — refurnishing with signals (1) — indication given by light signal (1) — types of signal (13) — specific signal (9) — unoccupied distance beyond signal (1) — signal gantry (1) — signal-box (6) — device on track operating block signal (1) — train-stopping device connected with signal (2) |
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