To add refrigerant to the low side of an air condi
To add refrigerant to the low side of an air conditioning system, the refrigerant should be introduced through the_______ .
A.suction service valve as a vapor
B.suction service valve as a liquid
C.discharge service valve as a vapor
D.charging valve as a liquid
请帮忙给出正确答案和分析，谢谢！
参考解答
46j***779
2024-06-14 15:13:39
正确答案：A
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