其基本原理为：矿料级配中粗集料形成的孔隙率由细集料、填料、沥青和预定孔隙率填充。
The basic principle is the VCA formed by the coarse aggregate is filled with the fine aggregate, the filling, the asphalt and the preconcerted void content.
细碧岩是主要的含矿与容矿岩系。
以重钙、重晶石、叶腊石等为例，探讨立式磨在非金属矿超细产品生产中的应用。
The vertical miler mills applied to producing non-metallic minerals such as ground calcium carbonate, barite, pyrophyllite and others were discussed.
应用推荐