Tungstogermanic heteropoly acid was used as the catalyst for the esterification of cinnamic acid with iso-amyl alcohol in liquid phase.是什么意思_Tungstogermanic heteropoly acid was used as the catalyst for the esterification of cinnamic acid with iso-amyl alcohol in liquid phase.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句