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 —block signaling. a fixed railroad signal governing the movements of trains entering and using a given section of track. [1880-85]
随便看	paren. parenchyma parens parens. parent parentage parental parental home parental leave parent company parent compound parenteral parenthesis parenthesize parenthetic parenthood parenticide parenting parent-in-law Parent-Teacher Association pareo parergon paresis paresthesia Pareto

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