单选题If a refrigeration crankcase compressor were short cycling on the low pressure cutout switch, the cause might be that the （）.Asystem was overcharged with refrigerantBsystem was low on refrigerantCsuction valves were leaking slightlyDrelief valve was leaking slightly
单选题
If a refrigeration crankcase compressor were short cycling on the low pressure cutout switch, the cause might be that the （）.
A
system was overcharged with refrigerant
B
system was low on refrigerant
C
suction valves were leaking slightly
D
relief valve was leaking slightly
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