| 释义 |
扬旗yángqí铁路信号的一种,设在车站的两头,在立柱上装着活动的板,板横着时表示不准火车进站,板向下斜时表示准许进站。{railway semaphore; visual signaling apparatus installed at either end of a railway station, with a mechanically moving arm that signals ‘no entrance’ when horizontal, and ‘entrance permitted’ when slanting downwards} |