石灰石必須煅燒到這樣地步.The limestone must be calcined in such a way.為了煅燒碳酸鈣細(xì)粉, 已經(jīng)成功地應(yīng)用了高溫成球技術(shù).In order to calcine calcium carbonate fines, the technique of high - temperature pelletization has successfully been used.已證實(shí)研制通過(guò)煅燒可再生的活...