CO2 refrigeration and heat pump systems have gained widespread attention due to their environmentally friendly features. However, their application is limited by high operating pressure and limited...

中文翻译：

---

以CO2基混合物为工质的制冷热泵系统的成分调整研究

CO2制冷和热泵系统因其环保特性而受到广泛关注。然而，它们的应用受到高工作压力和有限...的限制。