“差向”造句

他因旅馆的服务差向经理提出不满.
He made a noise to the manager about the bad service at the hotel.

阐述了离子交换技术在糖的纯化 、 差向异构化及分析检测方面的应用.
Application of ion exchange technology in the purification, epimerization analysis and detection of sugar was introduced.

• #差向