GB 50041-2020 第11.3.3条
| **** | An interlock device for emergency exhaust shall be provided in the boiler room; when the combustible gas concentration reaches 25% of the lower explosive limit, the exhaust fan shall start automatically. |
| **** | An interlock device for emergency exhaust shall be provided in the boiler room; when the combustible gas concentration reaches 25% of the lower explosive limit, the exhaust fan shall start automatically. |
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