The surface chemical properties of both raw semi-coke and activated semi-coke were characterized by acid-base titration, XPS, and FTIR.是什么意思_The surface chemical properties of both raw semi-coke and activated semi-coke were characterized by acid-base titration, XPS, and FTIR.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句