单选题When liquid reaches the compressor of a refrigeration system through the suction line, the condition is called （）.Aflooding backBsuperheatingCoverflowingDrecycling
单选题
When liquid reaches the compressor of a refrigeration system through the suction line, the condition is called （）.
A
flooding back
B
superheating
C
overflowing
D
recycling
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