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 n. A fixed signal at the entrance to a railroad block, indicating whether or not trains may enter.
随便看	Ithaca Ithaca Ithiel ithyphallic Itháki itineracy itinerancy itinerant itinerantly itinerary itinerate itineration -itious -itis it'll ITO Ito itraconazole it's its itself Itsukushima itsy-bitsy itty-bitty ITU

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