This paper gives a brief introduction to the design, block diagrams, operation principles and making of XTZ-B automatically monitoring device for ring-receiving system.

现对XTZ - B型收铃系统自动监视装置的设计思路、方框组成、工作原理、实现方法进行扼要介绍。

youdao

This paper gives a brief introduction to the design, block diagrams, operation principles and making of XTZ-B automatically monitoring device for ring-receiving system.

现对XTZ - B型收铃系统自动监视装置的设计思路、方框组成、工作原理、实现方法进行扼要介绍。

youdao