发布时间:2025-01-30 06:04:19
1.不是必须,但是尽量设较好
2.不需要设置安全疏散标识,要做的话,也是电专业做的
3.必须设置无障碍楼梯,扶手、踏步高度、宽度必须满足规定,需设盲道标识。首层需要设置无障碍卫生间等。你可以看看无障碍规范
有个埃克思建筑设计网 有这些规范速查和下载
晶体管超外差式收音机(X—921型收音机)每部分的作用及原理
2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19新房装修全新的筒灯和灯管开启几个小时后就闪烁不停 筒灯是节能灯 灯管是t5的 本人用的是380的电压
2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19 2025-01-30 06:04:19