Puts forward a cascade heat pump unit to solve some application problems of conventional units in winter in cold regions, such as high compression ratio and low heating efficiency.
Puts forward a cascade heat pump unit to solve some application problems of conventional units in winter in cold regions, such as high compression ratio and low heating efficiency.
摘要提出了一种复叠热泵机组，以解决常规空气源热泵冷热水机组在寒冷地区冬季使用压缩比高、效率低等问题。