The design of turbulator air preheater with finned tube and that with optic tube as well as its application in petrochemical works were recommended.是什么意思_The design of turbulator air preheater with finned tube and that with optic tube as well as its application in petrochemical works were recommended.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句