单选题（） is the control of temperature and humidity in a space together with the circulation, filtering and refreshing of the air.ARefrigerationBAir conditioningCVentilationDHeating
单选题
（） is the control of temperature and humidity in a space together with the circulation, filtering and refreshing of the air.
A
Refrigeration
B
Air conditioning
C
Ventilation
D
Heating
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相关考题：
If air at 95°Cdry bulb temperature and 50%relative humidity is conditioned to 75°Cdry bulb temperature and 50%relative humidity, it is an example of() A.cooling onlyB.cooling and humidifyingC.cooling and dehumidifyingD.adiabatic(绝热的)cooling
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