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GB 50261-2017 第2.0.4条 Code for construction and acceptance of sprinkler systems

Terminology消防工程

GB 50261-2017 第2.0.4条

| | Pre-action system: A closed system in which the piping is not filled with water under normal standby conditions and is automatically linked to fill with water after being opened by the automatic fire alarm system or closed sprinklers. Suitable for areas in hotels where accidental discharge must be avoided, such as archives and valuables storage rooms. |

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