题目内容
(请给出正确答案)
提问人:网友lidabin36
发布时间:2022-01-06
[主观题]
What is the substance called which can readily be converted from a liquid into a vapor, an
d also from a vapor into liquid with a reasonably narrow range of pressure?
A.Refrigerator
B.Refrigerant
C.Cooling medium
D.Brine
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