英语词汇“lock-and-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	lock-and-block system
释义	lock-and-block system noun British : a railway block system in which the signals permitting a train to enter a block are locked while a train is in the block and automatically unlocked as it leaves the block
随便看	diltiazems dilucidate dilucidation diluendo diluent diluents dilutant dilutants dilute diluted dilutee dilutees dilutely diluteness dilutenesses go toward go toward(s) go towards go under go under the knife go underground go unheard go unheeded go up go up in flames

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lock-and-block system