If a refrigeration crankcase compressor were short cycling on the low pressure cutout switch, the cause might be that the （）.<br>A:system was overcharged with refrigerant<br>B:system was low on refrigerant<br>C:suction valves were leaking slightly<br>D:relief valve was leaking slightly

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

出自：海船船员证

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