短語詞組短語Blind Approach Landing System 盲目進(jìn)場(chǎng)降落系統(tǒng)BALS Blind Approach Landing System 儀表進(jìn)場(chǎng)著陸系統(tǒng)〖航空lorentz blind landing system 洛倫茲盲目降落系統(tǒng) 返回 blind landing system