单项选择题
The temperature of the refrigerant in the evaporator coil depends mostly upon the （）.
A.refrigerant pressure in the evaporator B.cooling water temperature to the condenser C.heat load in the refrigerator compartment D.solenoid valve in the liquid line
单项选择题 Refrigerant is circulated through a refrigeration system by the （）.
单项选择题 The type of gauge most commonly used to measure pressure is the （）.
单项选择题 When refrigerant leaves the receiver, it flows next on to the （）.
