| 释义 |
extension station
扩充站,辅站
An extra telephone set associated with a main telephone station by means of an extension on the same subscriber line and having the same call number designation as the associated main station.
借助于同一用户专用线上的扩充设备与主电话站相连的一台附加电话机,它与相关的主站 具有同样的呼叫号。 |