touch-calling multi-frequency的意思|示意
美 / /
英 / /
touch-calling多频
touch-calling multi-frequency的网络常见释义
按钮多频拨号 ... touch tone telephone 按键式电话机 touch-calling multi-frequency 按钮多频拨号 tower 塔,塔架(输电线),天线塔,高耸(sǒng) ...