| 
 4350| 11
 | [技术规范] YD_T 1821-2018 通信局(站)机房环境条件要求与检测方法 | 
| 
 | 
 
 | |
版规|手机版|C114 ( 沪ICP备12002291号-1 )|联系我们 |网站地图
GMT+8, 2025-11-1 03:11 , Processed in 0.083174 second(s), 21 queries , Gzip On.
Copyright © 1999-2025 C114 All Rights Reserved