A point (in various senses, see point, n.1 21) which is operated or moved into position by means of a spring or springs; esp. (in a railway) a…
| 单词 | θ202684 |
| 释义 | society > travel > rail travel > railway system or organization > [noun] > track > points > types of (5) spring point1757 A point (in various senses, see point, n.1 21) which is operated or moved into position by means of a spring or springs; esp. (in a railway) a… catch point1873 Chiefly in plural. One of a pair of points arranged to derail a train, carriage, etc., that is running in the wrong direction, esp. downward on a… stub-switch1885 (see quot. 1909). trap-point1885 on railways, a safety-point (point, n.1 21k) which prevents an unauthorized movement of a train or vehicle from a siding on to the main line by… trailing points1889 In specific technical applications. trailing points, on a railway, points directed away from a coming train (opposed to facing points). trailing horns… |
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