单选题In terms of pressure and temperature in the refrigerant in the compressor, what happens to the primary?（）Aits pressure and temperature are both loweredBits pressure and temperature are both raisedCits pressure is lowered and its temperature is raisedDits pressure is raised and its temperature is lowered
单选题
In terms of pressure and temperature in the refrigerant in the compressor, what happens to the primary?（）
A
its pressure and temperature are both lowered
B
its pressure and temperature are both raised
C
its pressure is lowered and its temperature is raised
D
its pressure is raised and its temperature is lowered
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