In this technology, the chelating agent 1530 and hydrochloric acid (peptizing agent) were used in preparing the high stable alumina sol.是什么意思_In this technology, the chelating agent 1530 and hydrochloric acid (peptizing agent) were used in preparing the high stable alumina sol.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句