短語詞組短語Blind Approach Landing System 盲目進(jìn)場降落系統(tǒng)BALS Blind Approach Landing System 儀表進(jìn)場著陸系統(tǒng)〖航空lorentz blind landing system 洛倫玆盲目降落系統(tǒng) 返回 blind landing system