[电] antenna-pat-tern measur-ing equipment
tiān xiàn tú àn cè liáng yí qì ㄊㄧㄢ ㄒㄧㄢˋ ㄊㄨˊ ㄢˋ ㄘㄜˋ ㄌㄧㄤˊ ㄧˊ ㄑㄧˋ