发布时间:2025-01-17 04:55:48
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。
水泵买错了,本来是要买自吸泵的,买成增压泵了,如果我把增压泵的叶轮换成自吸泵的叶轮。是不是就成自
2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48我现在计划开一家 装修 木门 瓷砖 木地板一体得公司你们看我需要整合哪些人脉资源比较好然后利用
2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48客户沟通技巧我是做装修业务的总是不懂得如何与客户更好的更深入的沟通
2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48 2025-01-17 04:55:48