The expansion valve on a Freon system controls the （）.<br>A:superheat of the gas leaving the compressor<br>B:back pressure in the evaporator<br>C:temperature of the icebox<br>D:superheat of the gas leaving the evaporator

The expansion valve on a Freon system controls the （）.
A:superheat of the gas leaving the compressor
B:back pressure in the evaporator
C:temperature of the icebox
D:superheat of the gas leaving the evaporator

出自：海船船员证

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