|
4744| 9
|
[Sonet/SDH] 数字电视信号(110套节目)传输170公里，采用什么方式?望高手指点。 |
|
| |
|
||
发表于 2007-6-4 12:05:00
手机版|C114 ( 沪ICP备12002291号-1 )|联系大家 |网站地图
GMT+8, 2024-11-9 02:19 , Processed in 0.106014 second(s), 16 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved
Discuz Licensed