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吊顶内排烟管道底标高,距吊顶面>250mm(多叶排烟口>320mm)huxykaltwqiqzyhspqlzdwpxhqupiame
排烟口在吊顶上安装示意图（含墙上的远距离控制装置）_{kcwofbsfboryqhtkywu}
99K103_防排烟设备安装图集rwjzlqgband
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https://max.book118.com/html/2017/1002/135569331.shtm_{kcwofbsfboryqhtkywu}
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吊顶内排烟管道底标高,距吊顶面>250mm(多叶排烟口>320mm)niwtugkngakjrzfpopwhhqmqonidqixbb

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