The fan was usually controlled by hand in the small cement grinding station; the required air of the bill was regulated by adjusting the fan opening value, which wasted a mount of electric energy.
2
本研究采用小型行星式球磨机加工新疆工业蛭石粉体。
In this paper, the small-scale planet style ball mill is applied to manufacture the industrial roseite powder in XinJiang Province.