The result proves that oil-dyadethanolamine is a kind of non-ionic surface active agent(n-SAA)with good properties.是什么意思_The result proves that oil-dyadethanolamine is a kind of non-ionic surface active agent(n-SAA)with good properties.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句