题目内容
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提问人：网友waluheke
发布时间：2022-01-07
[主观题]
If the head pressure of a reciprocating refrigeration compressor is excessiveA.the relief
If the head pressure of a reciprocating refrigeration compressor is excessive
A.the relief valve should open before the high pressure cutout
B.the relief valve should open and allow the excess refrigerant to flow to the receiver
C.the high pressure cutout switch should operate before the relief valve opens
D.you should close the discharging valve
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