The effects of pH of aqueous solution, reaction time, concentration of LK-C2 and phase ratio (O/A) on the extraction rate were investigated.是什么意思_The effects of pH of aqueous solution, reaction time, concentration of LK-C2 and phase ratio (O/A) on the extraction rate were investigated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句