Excessive circulation of the lubricating oil with the refrigerant in a refrigeration system will cause （）.<br>A:carbon deposits on the compressor suction valves<br>B:the evaporator temperature to increase<br>C:rapid corrosion of the thermal expansion valve<br>D:no operating problems

Excessive circulation of the lubricating oil with the refrigerant in a refrigeration system will cause （）.
A:carbon deposits on the compressor suction valves
B:the evaporator temperature to increase
C:rapid corrosion of the thermal expansion valve
D:no operating problems

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