If a refrigeration crankcase compressor were short cycling on the low pressure cutout swit

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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

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗