发布时间:2025-02-08 00:13:45
【答案】:A
根据《建筑内部装修设计防火规范》(GB 50222—2017)第4.0.9条规定,消防水泵房、机械加压送风排烟机房、固定灭火系统钢瓶间、配电室、变压器室、发电机房、储油间、通风和空调机房等,其内部所有装修均应采用A级装修材料。
给孩子用睡袋踩过3个坑后,我总结3个睡袋使用小技巧,孩子更安睡
2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45请问各位师傅现在我家有三层半高的楼房想安装避雷针需要什么材料怎样安装
2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45 2025-02-08 00:13:45