signal bridge

English

A signal bridge built over four tracks and supporting semaphore signals.

signal bridge (plural signal bridges)

(rail transport, US) A structure built over railroad tracks on which signals are mounted.
(nautical) An open platform by the navigating bridge of a warship for the use of signalmen.

单词	signal bridge
释义	signal bridge English A signal bridge built over four tracks and supporting semaphore signals. Noun signal bridge (plural signal bridges) (rail transport, US) A structure built over railroad tracks on which signals are mounted. (nautical) An open platform by the navigating bridge of a warship for the use of signalmen. Synonyms (rail transport) signal gantry References “signal bridge” in Merriam–Webster Online Dictionary.
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