“脱氟”造句
阐述了饲料
脱氟磷酸三钙的作用及发展必要性、内外生产技术现状.
The action and development necessity of the feed defluorinated tricalcium phosphate were expounded.
介绍了湿法磷酸化学法
脱氟的
脱氟机理和影响
脱氟率的多种因素.
The mechanisms and some affect factors for chemical disposal defluorination of wet - process phosphoric acid were introduced.