大众彩票welcome

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                防火玻璃应用
                发布时间:2023-02-10 浏览:366次

                防火玻璃门通常用于封闭疏散的楼梯间,通向走道;封闭╳电梯间,通向前室及前室通向走▽道的门。电缆井、管道井、排烟道、垃圾△道等竖向管道井的检查门等。防火玻璃门是大型公共场@所和安全场所必不可少的消防设备。


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