3589| 3
|
[Sonet/SDH] 急:STM-1 SDH集成型和STM-1 SDH标准型是什么意思,区别? |
手机版|C114 ( 沪ICP备12002291号-1 )|联系大家 |网站地图
GMT+8, 2024-11-8 00:41 , Processed in 0.073713 second(s), 15 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed