单选题The thermal expansion valve responds to the()Aamount of superheat in the vapor leaving the coilBamount of superheat in the liquidCtemperature in the evaporator coilsDpressure in the evaporator coils

单选题
The thermal expansion valve responds to the()
A

amount of superheat in the vapor leaving the coil

B

amount of superheat in the liquid

C

temperature in the evaporator coils

D

pressure in the evaporator coils


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