adj.磨的；碾的；磨擦的
动词grind的现在分词形式.
In practice, roller press is the delegate of pressing pre-grinding which is the leading of pressing grinding. 实际生产中，以辊压机为代表的料床预粉磨系统是料床粉磨的主导。
adv.虐待地；苛刻地
