GB 50084-2017 第2.1.16条
| | **Water flow indicator**: A alarm device that converts water flow signals into electrical signals to indicate the fire area. It shall be installed on each floor or fire compartment of the hotel. |
| | **Water flow indicator**: A alarm device that converts water flow signals into electrical signals to indicate the fire area. It shall be installed on each floor or fire compartment of the hotel. |
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