为了获得行星式球磨机中重钙的湿法超细粉碎动力学模型，用BS模型研究了重钙的湿法超细粉碎过程。
In order to obtain the kinetic model of wet grinding powdered whiting in the planetary ball mill, the process of wet superfine grinding of powdered whiting was studied by the BS model.
采用振动球磨机对粗颗粒金属钨粉进行超细粉碎研究。
The study of ultra fine comminution is carried out by using vibration mill and coarse tungsten powder as original material.
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