two-stage pump

基本解釋

Two-stage heat pump system is an important research direction which can acquire high temperature working fluid.
雙級(jí)熱泵系統(tǒng)是獲得高溫工質(zhì)的一個(gè)重要研究方向。
Presents the two-stage heat pump test-bed designed by the authors, analyses the problem existed in experiment and offers the improving method.
介紹了自行設(shè)計(jì)的雙級(jí)熱泵實(shí)驗(yàn)系統(tǒng)，分析了實(shí)驗(yàn)中遇到的問(wèn)題，提出了改進(jìn)方案。
Two-stage compression CO2 transcritical heat pump cycle with an expander is studied in order to find the ways and measures to improve the efficiency of the CO2 heat pump.
通過(guò)對(duì)雙級(jí)壓縮帶膨脹機(jī)CO2跨臨界熱泵循環(huán)的研究，探討了旨在提高CO2跨臨界循環(huán)熱泵效率的途徑與措施。