英语词汇“recurring airworthiness directive”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	recurring airworthiness directive
释义	recurring airworthiness directive recurring airworthiness directive An airworthiness directive regarding an aircraft and its engine; must be complied with at regular hourly or calendar time periods.
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