公用交换 meaning in Chinese
public exchange
Examples
- Pstn public switched telephone network
公用交换式电话网 - Pstn : public switch telephone network
公用交换电话网 - The indicators in this category refer to the volume of traffic carried over the public switched telephone network
此类指标是指公用交换电话网上承载的话务量。 - The total capacity of public switching exchanges corresponds to the maximum number of main lines that can be connected
公用交换局总容量指的是可连接的最大主线数。 - In public switched systems , a charge based on time and distance for a connection beyond an exchange boundary
在公用交换系统中，一种对局外电话连接按时间和距离的长短而定的收费。