The Ka values at pH of 7.8,6.8,and 5.4 were 0.267,0.274 and 0.247 h-1,respectively.是什么意思_The Ka values at pH of 7.8,6.8,and 5.4 were 0.267,0.274 and 0.247 h-1,respectively.在线翻译_英语_读音_用法_例句