单项选择题
When the temperature of the refrigerant flowing out from the condenser is below the condensing temperature, it is said to be （）.
A.dry B.wet C.super-cooled D.superheated
单项选择题 The thermal expansion valve controls the amount of refrigerant that is allowed to flow to the （）.
单项选择题 The compressor suction line conveys the refrigerant vapor from （） to （）.
单项选择题 Both the temperature and the pressure of the refrigerant are increased in the （）.
