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负责评估处理专业范围内的适航指令。
Be in charge of evaluating and dealing with the airworthiness directive in its domain.
youdao
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强制适航信息（适航指令）；
Mandatory airworthiness information (Airworthiness Directive).
youdao
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强制适航信息（适航指令）；
Mandatory airworthiness information (Airworthiness Directive).
youdao