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GB 50365-2019 第4.3.5条 Standard for Operation and Management of Air-Conditioning and Ventilation Systems

Operation and maintenance management暖通空调

GB 50365-2019 第4.3.5条

| **** | Air ducts, air outlets, silencers, static pressure boxes, etc. of the HVAC system shall be inspected and cleaned regularly. Air ducts in hotel public areas should be cleaned every 2 years, and kitchen exhaust ducts should be cleaned annually. |

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