When the compressor and the expander efficiencies are given, the optimal heat rejection pressure in the CO2 throttle valve cycle is greater than that of in the expander cycle.是什么意思_When the compressor and the expander efficiencies are given, the optimal heat rejection pressure in the CO2 throttle valve cycle is greater than that of in the expander cycle.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句