[电] executive field-control system

zhí xíng wén jiàn kòng zhì xì tǒng ㄓˊ ㄒㄧㄥˊ ㄨㄣˊ ㄐㄧㄢˋ ㄎㄨㄥˋ ㄓˋ ㄒㄧˋ ㄊㄨㄥˇ