12082| 14
|
[通信标准] YD 5077-2014固定电话交换网工程验收规范 |
|
| |
手机版|C114 ( 沪ICP备12002291号-1 )|联系我们 |网站地图
GMT+8, 2024-6-2 13:59 , Processed in 0.090958 second(s), 20 queries , Gzip On.
Copyright © 1999-2023 C114 All Rights Reserved