英语词汇“grade separation”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	grade separation
释义	WordReference Random House Unabridged Dictionary of American English © 2024 grade′ separa′tion, Rail Transport, Transportseparation of the levels at which roads, railroads, paths, etc., cross one another in order to prevent conflicting rows of traffic or the possibility of accidents. 1930–35, American.
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