根据网考网考试中心的统计分析,以下试题在2019/4/3日考研习题练习中,答错率较高,为:70%
【单选题】According to the passage, the role of the flow restriction in a heat pump is to______
A. measure accurately the flow rate of the refrigerant-mass at that point
B.compress and heat the refrigerant vapor
C.bring about the evaporation and cooling of refrigerant
D.exchange heat between the refrigerant and the air at that point
网考网参考答案:C,答错率:70%
网考网试题解析:
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