过渡高度以上可供使用的最低飞行高度层。()
- A、The lowest flight level available for use above the transition altitude.
- B、The lowest flight layer available for use above the transition height.
- C、The lowest flight level available for use above the transition height.
- D、The lowest flight layer available for use above the transition altitude.
正确答案:A
答案解析:有
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