英语词汇“block signal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	block signal
释义	block signal —block signaling. a fixed railroad signal governing the movements of trains entering and using a given section of track. [1880-85]
随便看	ordinary wave ordinate ordination ordn. ordnance ordo ordonnance Ordovician ordure Ordzhonikidze Ordóñez ore Ore. oread orebody ore bridge orectic ore dressing Oreg. oregano Oregon Oregon cedar. Oregon City Oregon crab apple Oregon fir.

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