The optimal pH values were 6.7 and 5.2 respectively for Cx and BG. the highest activities were 1 066.4 U/termite and 664.0 U/termite respectively.是什么意思_The optimal pH values were 6.7 and 5.2 respectively for Cx and BG. the highest activities were 1 066.4 U/termite and 664.0 U/termite respectively.在线翻译_英语_读音_用法_例句