In the mean while, the sample was transformed with cation exchange resin, the molar ratio of sufate ions to carboxylate ions was determined.是什么意思_In the mean while, the sample was transformed with cation exchange resin, the molar ratio of sufate ions to carboxylate ions was determined.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句