单项选择题
A.condenser；evaporator B.evaporator；compressor C.compressor；condenser D.None of the above
Both the temperature and the pressure of the refrigeran...
单项选择题Both the temperature and the pressure of the refrigerant are increased in the （）.
A.compressor B.condenser C.evaporator D.expansion valve
The heat used to change a liquid to a vapor is called （...
单项选择题The heat used to change a liquid to a vapor is called （）.
A.latent heat of fusion B.latent heat of vaporization C.specific heat of vaporization D.latent heat of the gas
The （） compressor and its electrical motor are entirely...
单项选择题The （） compressor and its electrical motor are entirely housed in a gas-tight casing.
A.open-type B.hermetic C.A and B D.None of the above
