跑道边灯应为固定灯具，显示可变的白光。（）
- A、Runway edge lights shall be fixed lights showing variable white.
- B、Runway middle lights shall be fixed lights showing variable white.
- C、Runway edge lights shall be fixed lights showing vary white.
- D、Taxiway edge lights shall be fixed lights showing variable white.
正确答案:A
答案解析:有
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