单选题A pressure drop in the liquid line of a refrigeration system may cause（）Athe solenoid valve to seizeBthe compressor to huntCflash gas to form in the liquid lineDthe expansion valve to freeze open
单选题
A pressure drop in the liquid line of a refrigeration system may cause（）
A
the solenoid valve to seize
B
the compressor to hunt
C
flash gas to form in the liquid line
D
the expansion valve to freeze open
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