常見例句雙語例句Heat pump with natural refrigerants; CO_2 transcritical cycle; ground source heat pump; operating performance;自然工質(zhì)熱泵； CO_2跨臨界循環(huán)； 地源熱泵； 運(yùn)行特性；CO2 transcritical cycle is attracting much more attention for using natural working fluid CO2 with the concern of the environment protection.隨著對(duì)環(huán)境問題的日益關(guān)注，自然制冷工質(zhì)CO2跨臨界循環(huán)系統(tǒng)的研究受到重視。To improve the energy efficiency ratio (EER) of the CO2 transcritical refrigeration system, an ejector and an economizer are adopted in the CO2 transcritical cycle system.為提高CO2跨臨界制冷循環(huán)的效率，本文提出一種帶引射器和經(jīng)濟(jì)器的CO2跨臨界循環(huán)系統(tǒng)。 返回 transcritical cycle