[电] instrument landing system glide path

yí qì dǎo jiàng xì tǒng huá dào ㄧˊ ㄑㄧˋ ㄉㄠˇ ㄐㄧㄤˋ ㄒㄧˋ ㄊㄨㄥˇ ㄏㄨㄚˊ ㄉㄠˋ