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	pansexual Pansil Pan-Slavism pansophism pansophy panspermia pansy Pansy pansy orchid pant pant- pantagraph Pantagruel pantalets pantaloon pantechnicon Pantelleria Pan-Teutonism pantheism Pantheon pantheonize panther Panther Panthera panther fungus

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