What is the substance called which can readily be converted from a liquid into a vapor an

职业资格 已帮助 人

What is the substance called which can readily be converted from a liquid into a vapor, and also from a vapor into liquid with a reasonably narrow range of pressure?

A.Refrigerator

B.Refrigerant

C.Cooling medium

D.Brine

请帮忙给出正确答案和分析,谢谢!

热搜:投资利率系数对is曲线的影响