A large amount of xylobiose and xylotriose with purity of 97.08% and 94.19% were obtained by twice separation with this system, and they can be used as standard samples of XOS.是什么意思_A large amount of xylobiose and xylotriose with purity of 97.08% and 94.19% were obtained by twice separation with this system, and they can be used as standard samples of XOS.在线翻译_英语_读音_用法_例句