英语词汇“fixed 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	fixed signal
释义	fixed signal noun : a signal of fixed location used to indicate a condition affecting the movement of a train or engine
随便看	outdresses outdressing outdrew outdrink outdrinking outdrinks outdrive outdriven outdrives outdriving outdrop outdropped outdropping outdrops outdrove outdrunk outduel outdueled outdueling outduelled outduelling outduels outdweller outearn outearned

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fixed signal