摘要
介绍了包兰线铁路专用电话与光传输系统组网中的若干问题及解决方法。
With respect to the remark of Bao Lan Line,some problems on connection of railroad special telephone with optical fiber communication system are explored in this paper.
出处
《铁道通信信号》
1998年第9期20-21,共2页
Railway Signalling & Communication
