摘要
结合上海地铁１号线工程，说明了地铁专用电话网的构成内容及其特点。
The configuration and features of the special communication network of subway with respect to the No 1 line of Shanghai subway are introduced in this paper.
出处
《铁道通信信号》
1998年第5期18-19,共2页
Railway Signalling & Communication
