常見例句This paper emphasized major mineralogy characteristics of dickite, corrensite and playgorskite. 本文著重介紹了這三種礦物的主要礦物學(xué)特征。The grade of playgorskite may be raised from 30.9% to 84.5% when sodium silicate solution is add in the course of ore dressing. 采用加入適量硅酸鈉溶液的提純流程 ;坡縷石礦石品位從30 .;9%25提高到 84 返回 playgorskite