单项选择题
A refrigerant gives up heat when it goes through （）.
A.condenser B.regurgitate C.evaporator D.boil coil
单项选择题 A refrigerant boils and vaporizes in the （） in a compression refrigeration system.
单项选择题 The latent heat of evaporation is dissipated in the （） in a compression refrigeration system.
单项选择题 A fluid coil will （） large quantifies of heat when it changes state from a vapor to a liquid.
