GB 50019-2015 第6.3.1条
| **** | **Mechanical ventilation**: For rooms that emit residual heat, residual moisture, or hazardous substances (such as laundry rooms and disinfection rooms), mechanical ventilation should be provided when natural ventilation does not meet the requirements. The total ventilation rate shall be calculated based on diluting the concentration of hazardous substances or removing residual heat and moisture. |