常見(jiàn)例句This paper emphasized major mineralogy characteristics of dickite, corrensite and playgorskite. 本文著重介紹了這三種鑛物的主要鑛物學(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. 採(cǎi)用加入適量矽酸鈉溶液的提純流程 ;坡縷石鑛石品位從30 .;9%25提高到 84 返回 playgorskite