The grinder can be used for grinding coffee beans. 研磨机可以被用来研磨咖啡豆。
Portable Attritor mainly applies to the grinding treatment for the edge and part of the ground. 手提式研磨机，主要用于地面边角部位及局部地面研磨处理。
The calculation formula for bite condiution of dissymmetric heterediameter two-roll and four-roll rolling mill with single-roll-driving is developed with force balance method. 用力的平衡法推导了不对称异径单辊传动二辊轧机和四辊轧机的咬入条件公式。
