3462| 8
|
[技术规范] YD-T 5119-2005 基于SDH的多业务传送节点(MSTP)本地网光缆传输工程设计规范 |
|
发表于 2014-11-19 09:57:20
|显示全部楼层
| |
手机版|C114 ( 沪ICP备12002291号-1 )|联系大家 |网站地图
GMT+8, 2024-11-30 14:20 , Processed in 0.092630 second(s), 18 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed