发布时间:2025-01-17 03:38:55
楼梯、扶手和踏步等应符合下列规定:
1 楼梯间应有直接的天然采光和自然通风;
2 楼梯除设成人扶手外,应在梯段两侧设幼儿扶手,其高度宜为0.60m;
3 供幼儿使用的楼梯踏步高度宜为0.13m,宽度宜为0.26m;
4 严寒地区不应设置室外楼梯;
5 幼儿使用的楼梯不应采用扇形、螺旋形踏步;
6 楼梯踏步面应采用防滑材料;
7 楼梯间在首层应直通室外。
过去的墙面刷了一层油漆当墙裙,现在想到这层油漆铲下来,请问谁有啥好办法
2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55我是农村的没有坐过包厢电梯如果我们三个人同时1楼进入电梯分别到5楼六楼七楼七楼的先按
2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55 2025-01-17 03:38:55