GB 50261-2017 第2.0.7条
| | Water flow indicator: an alarm device that converts a water flow signal into an electrical signal. Used on each floor or zone of a hotel to indicate the fire area. |
| | Water flow indicator: an alarm device that converts a water flow signal into an electrical signal. Used on each floor or zone of a hotel to indicate the fire area. |
12 hotel MEP experts online, answers cite standard clauses you can verify.
Ask free →Engineering reference only — verify against project conditions and the latest codes.