名词
中文翻译：适航性
同义词：
['aviation safety', 'airworthiness certificate', 'airworthiness directive']
例句：
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1. The aircraft must meet the latest airworthiness standards to operate.
该飞机必须符合最新的适航标准才能运行。
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2. The airline has issued a new airworthiness directive for its fleet.
该航空公司已为其机队发布了新的适航指令。
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3. The pilot was required to undergo an airworthiness test before taking off.
飞行员在起飞前必须通过适航测试。