◎ 砂轮 shālún
(1) [grindstone]∶天然沙石制成的扁平圆石,它绕轴旋转,用以磨快刀具或使物件成形或磨光
(2) [emery wheel]∶由粘结金刚砂粉固结而成的轮子,或具有金刚砂表面的轮子,主要用来磨削、研磨或抛光

1.{机} emery cutter; knife grinder; grindstone; buzzer; abrasion wheel; carborundum wheel; emery wheel; sandstone disk; stone wheel; grinding wheel