确定飞机结构偶然损伤检查间隔是制定飞机结构维修大纲的关键问题之一。
One of the most important things in developing aircraft structure maintenance program is to determine the inspection intervals for structure accidental damage.
检查、拆除和重组飞机结构，维修并更换机体的部件。
Inspects, dismantles and reassembles aircraft structures, and repairs and replaces components of aircraft frames.
为了确保飞机结构的经济寿命和可靠性，必须制订合理的结构经济维修方案。
To assure economic life and reliability of aircraft structure, an economic maintenance program is essentially needed.
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