local air exhaust
local air exhaust-
Problems existing in clean air conditioning for hospital are analyzed , and the application of dedicated outdoor air system fitted with local air exhaust unit with negative pressure sterilization in the clean air conditioning for hospital is discussed .
分析了医院洁净空调存在的问题，讨论了配有负压灭菌局部排风单元的独立新风系统在医院洁净空调的应用。
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The minimum fresh air volume of the system should be the maximum value between the values which local air exhaust plus the air volume that keep the indoor pressure positive and the value which the air volume need to meet the healthy requirement .
系统最小新风量应是局部排风量加上保持室内正压所需风量之和与卫生要求所需风量比较取二者最大值。
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