英语词汇“block system”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 system
释义	block system n. A system for controlling and safeguarding the flow of railway trains in which track is divided into blocks, each controlled by automatic signals.
随便看	Daejeon daemon daemon daemonic daffily daffiness daffodil daffy daft daftly daftness dag dag Dagan Dagestan Dagestani dagga dagger dago Dagon Daguerre daguerreotype daguerreotyper daguerreotypy dagwood

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