subscribers trunk dialling meaning in English
用户长途电话拨号
Examples
- Subscriber trunk dialling ( std ) is inaugurated in the uk by queen elizabeth ii when she speaks to the lord provost in a call from bristol to edinburgh
1958年用户长途直拨（ std ）系统由英国由女王伊丽莎白二世举行开机典礼，她在一个从布里斯托尔到爱丁堡的长途拨叫中与对方城市的市长通话。