英语词汇“automatic 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	automatic block signal
释义	automatic block signal noun : a railroad signal at the entrance of a block actuated automatically by and governing the movement of trains entering and using the block
随便看	cornettist cornetto cornet-à-pistons corneum corneum corn-fed cornfield cornfield cornfield ant cornfield meet cornfield pea corn flag cornflakes corn flea beetle corn flour cornflower cornflower cornflower aster cornflower blue corn fodder corn fodder disease corn gallon corn gluten corn gluten feed corn gluten meal

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