wet riser
湿式竖管系统 wet standpipe system ; water-in-pipe standpipe system
摩天大楼的防火安全设施包括洒水装置，以及可以直接连接消防软管的湿式和干式竖管。
Fire safety systems in skyscrapers include sprinklers and wet and dry standpipes, to which firefighting hoses can be connected.
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