The renewal of catalysts in the catalytic reforming unit of the Refinery of Jinling Petrochemical Company and the unit start up with domestic catalysts CB 6 and CB 7 were introduced.是什么意思_The renewal of catalysts in the catalytic reforming unit of the Refinery of Jinling Petrochemical Company and the unit start up with domestic catalysts CB 6 and CB 7 were introduced.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句