一热泵从温度为-13℃的周围环境向用户提供95℃的热水,其最大供热系数为( )。A 发布时间:2017-06-22 22:28 │ 来源:www.tikuol.com 题型:单项选择题 问题: 一热泵从温度为-13℃的周围环境向用户提供95℃的热水,其最大供热系数为( )。A.1.16B.2.41C.2.16D.3.41
题型:单项选择题 A.Whether the centenarians can live independently in small apartments.B.Whether it is feasible to establish a village for the "oldest old” people.C.What percentage of the population are centenarians in the state of Georgia D.What the real secrets are to becoming an active and healthy 100-year-old 查看答案