Results show that the optimal amount of modifying reagent is 3% in mass, the absorption oil value of per 100 g modified calcium carbonate is 49.4 g, active ratio is up to 99.9%, and specific surface area is 30.32 m~(2)/g.是什么意思_Results show that the optimal amount of modifying reagent is 3% in mass, the absorption oil value of per 100 g modified calcium carbonate is 49.4 g, active ratio is up to 99.9%, and specific surface area is 30.32 m~(2)/g.在线翻译_英语_读音_用法_例句