telephone switchboard短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 电话交换机 TG, AG the telephone switchboard main application like IP supermarket, the speech, the hotel and so on some situations, provide the tool for the operator which one kind of idea spends and manages. AG话务台主要应用如 IP超市，话吧，酒店等一些场合，为经营者提供一种计费和管理的工具。 iask.sina.com.cn