The purpose of the low pressure cut-out switch is to （）.<br>A:maintain liquid refrigerant at the suction of the compressor<br>B:maintain a preset suction pressure to the compressor<br>C:start and stop the compressor at preset operating pressures<br>D:operate at minimum efficiency

The purpose of the low pressure cut-out switch is to （）.
A:maintain liquid refrigerant at the suction of the compressor
B:maintain a preset suction pressure to the compressor
C:start and stop the compressor at preset operating pressures
D:operate at minimum efficiency

出自：海船船员证

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