短语词组短语blind -landing capability 盲目着陆能力Blind Approach Landing System 盲目进场降落系统blind flight landing 盲目着陆BALS Blind Approach Landing System 仪表进场着陆系统〖航空a blind landing 仪器导航降落blind landing experimental unit 盲目着陆実験装置 返回 blind landing