This paper presents a structure of automaticswitchboard of power line carrier equipment.
本文介绍了一种新的电力线载波机自动盘的结构。
2
Firstly all the meteorological telegraphic messages are directly put into IBM personal computer disk through the automatic telegraphic switchboard.
首先通过气象报文自动转报系统，将各类气象报文直接输入IBM微机磁盘。
3
This article is proposed to develop a new type of digit programme-controlled telephone switching board which is based upon the CAN bus to replace the old automatic telephone switchboard.