Hot gas bypass is one of the methods used to _________.A.relieve excessive compressor head

Hot gas bypass is one of the methods used to _________.

A.relieve excessive compressor head pressure

B.produce flash gas at the expansion valve

C.reduce flooding of the receiver at low load

D.defrost the evaporator coils

请帮忙给出正确答案和分析，谢谢！

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