发布时间:2025-02-07 01:03:38
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。
砖砌体中的构造柱在与墙体连接处应砌成马牙槎每一马牙槎沿高度方向的尺寸应为
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