Application of the new series of water saving technique for industrial circulating cooling water to the Ethylene Plant of Tianjin Petrochemical Co.是什么意思_Application of the new series of water saving technique for industrial circulating cooling water to the Ethylene Plant of Tianjin Petrochemical Co.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句