The study of ultra fine comminution is carried out by using vibration mill and coarse tungsten powder as original material.
采用振动球磨机对粗颗粒金属钨粉进行超细粉碎研究。
Through a large number of investigation and production practice, it was found to have the functions of ultra-fine comminution as well as purification of the minerals.
通过大量的试验研究和生产实践，发现它不仅可以进行超矿物细粉碎，而且还兼有提纯矿物的作用。
The present state of the ultra-fine comminution technology and equipment for non-metallic ores are reviewed and the existing problems and the development orientation are pointed out.
通过对超细粉碎和分级的典型设备结构、原理、特点等的论述，介绍了超细粉碎和分级设备的进展情况。
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