单选题A space should be ventilated when（）.AThe cargo's temperature is colder than the dew point of the air in the spaceBThe cargo's temperature is warmer than the dew point of the air in the spaceCThe dew point of the air in the space is lower than the dew point of the outside airDAll of the above
单选题
A space should be ventilated when（）.
A
The cargo's temperature is colder than the dew point of the air in the space
B
The cargo's temperature is warmer than the dew point of the air in the space
C
The dew point of the air in the space is lower than the dew point of the outside air
D
All of the above
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