单选题The low pressure side of a refrigeration system is considered to exist from the （）.Aexpansion valve to the compressorBreceiver to the expansion coilCexpansion valve to the evaporatorDcondenser to the expansion valve
单选题
The low pressure side of a refrigeration system is considered to exist from the （）.
A
expansion valve to the compressor
B
receiver to the expansion coil
C
expansion valve to the evaporator
D
condenser to the expansion valve
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