YD/T 5088-2005.Specifications of Engineering Design for SDH Microwave Relay Telecommunication System...
YD通讯标准
YD通讯标准
YD通讯标准
YD/T 5088-2000 同步数字系列(SDH)微波接力通信系统工程设计规范
YD/T 5088-2000.Specifications of Engineering Design for Synchronous Digital Hierarchy ( SDH) Microwa...
YD通讯标准
YD/T 5088-2015 数字微波接力通信系统工程设计规范
YD/T 5088-2015.Design Specifications for Digital Microwave Relay Telecommunication System Engineerin...