3021| 4
|
[Sonet/SDH] 请教,如果是光纤接入的DDN,需要哪些施工部门来施工,谢谢 |
|
发表于 2004-3-9 21:52:00
|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, 2024-11-9 10:43 , Processed in 0.078574 second(s), 15 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed