单选题One function of the thermal expansion valve is to（）Aact as a pilot from the solenoid valveBregulate the amount of refrigerant flow to the coilCregulate the water flowDturn the compressor off and on
单选题
One function of the thermal expansion valve is to（）
A
act as a pilot from the solenoid valve
B
regulate the amount of refrigerant flow to the coil
C
regulate the water flow
D
turn the compressor off and on
参考解析
解析：
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