roll feeder

• 辊式给料机,滚柱给矿机

roll feeder的用法和样例：

例句

1. The spout feeder feeds the material, water, and grinding balls, into the mill and consists of a lined spout feeder, a feed trunnion liner, and a sandwheel assembly.
   管式给料机将物料，水，球给入磨机，它由直线管式给料机，给料轴衬板，和砂轮组成。