[电] single-keyboard point-of-sale system

dān jiàn pán xiāo shòu diǎn xì tǒng ㄉㄢ ㄐㄧㄢˋ ㄆㄢˊ ㄒㄧㄠ ㄕㄡˋ ㄉㄧㄢˇ ㄒㄧˋ ㄊㄨㄥˇ