Refrigerating systems with vapor-liquid heat exchangers are analyzed by this theoretical method with R12,R22 or their substitutes as refrigerant,which provides a guideline to correctly use suction line heat exchangers in engineering.是什么意思_Refrigerating systems with vapor-liquid heat exchangers are analyzed by this theoretical method with R12,R22 or their substitutes as refrigerant,which provides a guideline to correctly use suction line heat exchangers in engineering.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句