MCDU上出现NAV DATA OUT OF DATE信息表示()。A、导航数据库未装B、导航数据库测试失效C、导航数据库过期D、以上都不对
MCDU上出现NAV DATA OUT OF DATE信息表示()。
- A、导航数据库未装
- B、导航数据库测试失效
- C、导航数据库过期
- D、以上都不对
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