题目内容
The dew point of air is reached when the wet bulb temperature is( )
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The dew point is reached when the wet bulb temperature is( )
The device, which is installed in the compressor suction line to prevent liquid from entering the compressor when hot gas defrosting, is called a( )
( )for cargo spaces and living spaces are normally based on a given number of air changesper hour.
An exhaust fan is commonly installed to avoid excessive( )air pressure in the space.
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