The structure of the catalyst coated membrane(CCM) was introduced briefly and the preparation methods of CCM were classified into two modes:with or without carrier CCM activator layer preparation.是什么意思_The structure of the catalyst coated membrane(CCM) was introduced briefly and the preparation methods of CCM were classified into two modes:with or without carrier CCM activator layer preparation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句