单选题Insufficient refrigerant in a refrigeration plant may result in （）.Ahigh discharge pressureBfrosting of the crankcaseChigh temperature of the overboard waterDlow suction pressure of compressor
单选题
Insufficient refrigerant in a refrigeration plant may result in （）.
A
high discharge pressure
B
frosting of the crankcase
C
high temperature of the overboard water
D
low suction pressure of compressor
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