发布时间:2025-02-07 01:13:40
喷淋支管的最小直径为DN25,但只能带一个喷头,DN32的可带3个,DN40的-轻危险级4个、中危险级5个,其它管径的,《自动喷水灭火系统设计规范》GB50084-2001 表8.0.7。
违章建筑的问题从城管告知自己拆除起如果违建者不拆到强制执行需要多长时间
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