GB 50243-2016 第7.2.9条
| | Air purification equipment (e.g., guest room fresh air purification units) installation: independent maintenance space shall be provided, and the filter replacement direction shall be convenient for operation. |
| | Air purification equipment (e.g., guest room fresh air purification units) installation: independent maintenance space shall be provided, and the filter replacement direction shall be convenient for operation. |
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