CM51 extra-fine pulverizers have been widely applied in extra-fine crushing of non-metallic ores in China.
CM 51型超细粉碎设备，在我国非金属矿超细粉碎工艺中得到广泛应用。
2
The preparations of solidified extra-fine sand coarse aggregates and the concrete made by the solidified aggregates were studied.
对以长江粉细砂制造固结集料及其配制的混凝土进行了研究。
3
Experimental investigation and production practice show that the pulverisers can not only achieve extra-fine crushing of minerals, but also purify minerals.