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-现代词典

单词	block signal
释义	block signal noun also block signal system : a fixed signal at the entrance of a block to govern railroad trains entering and using that block — compare block system 2
随便看	banat banate banausic Banbury banbury banbury tart banc banc banca bancal bancha bancha bancha tea banco bancroftian bancroftian filariasis bancroft's bancroft's filariasis bancroft's law band Band band banda bandage bandage

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