短語(yǔ)詞組短語(yǔ)BABS Blind Approach Beacon System 儀表進(jìn)場(chǎng)信標(biāo)系統(tǒng)〖航空;儀表進(jìn)場(chǎng)信標(biāo)系統(tǒng) 返回 blind approach beacon system