英语词汇“high-level air route”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	high-level air route
释义	high-level air route high-level air route In high-level airspace, a prescribed track between specified radio aids to navigation. On aeronautical charts, letters such as T or NAT indicate high-level air routes.
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