Study on the Preparation of N-n-octyl-D-glucamine by Catalytic Hydrogenation with Palladium Complex of MgO-supported Melamine with Formaldehyde Polymer Polycondensate是什么意思_Study on the Preparation of N-n-octyl-D-glucamine by Catalytic Hydrogenation with Palladium Complex of MgO-supported Melamine with Formaldehyde Polymer Polycondensate在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句