单选题Because the expansion valve is just （） way open, the refrigerant is under low pressure in the evaporator.AlittleBfewCa littleDa few
单选题
Because the expansion valve is just （） way open, the refrigerant is under low pressure in the evaporator.
A
little
B
few
C
a little
D
a few
参考解析
解析：
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