3092| 0
|
[Sonet/SDH] 请问现在SDH自愈环和WDM相结合的技术已经发展到什么程度了? |
|
发表于 2006-1-14 14:17:00
|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, 2024-11-7 03:42 , Processed in 0.072603 second(s), 15 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed