private branch exchange

private branch exchange读音音标

英 [ˈpraivit brɑ:ntʃ iksˈtʃeindʒ]

美 [ˈpraɪvɪt bræntʃ ɪksˈtʃendʒ]

private branch exchange意思解释

释义

用户小交换机；

双语例句

Each telephone served by a private branch exchange.由专用小交换机提供服务的电话分机。