单选题The receiver used in a refrigeration system（）Astores liquid refrigerantBcollects non-condensable gasesCallows refrigerant sub-coolingDprevents compressor surging
单选题
The receiver used in a refrigeration system（）
A
stores liquid refrigerant
B
collects non-condensable gases
C
allows refrigerant sub-cooling
D
prevents compressor surging
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