9400| 9
|
[规范条文] 火灾声光警报器应设置在每个楼层的楼梯口,请问楼梯口具体指的是什么部位? |
| ||
| ||
| ||
| ||
| ||
| ||
| ||
|Archiver|手机版|小黑屋|《建筑电气》杂志官方论坛
( 蜀ICP备06020337号-1 )
GMT+8, 2025-6-21 17:47 , Processed in 0.077759 second(s), 29 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.