The use of mixed refrigerant cycle for ethylene plant,the composition of mixed refrigerant and process flow sheets with open and closed loop refrigerant cycle are summarized.是什么意思_The use of mixed refrigerant cycle for ethylene plant,the composition of mixed refrigerant and process flow sheets with open and closed loop refrigerant cycle are summarized.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句