◎ 砂輪 shālún
(1) [grindstone]∶天然沙石制成的扁平圓石,它繞軸旋轉(zhuǎn),用以磨快刀具或使物件成形或磨光
(2) [emery wheel]∶由粘結(jié)金剛砂粉固結(jié)而成的輪子,或具有金剛砂表面的輪子,主要用來(lái)磨削、研磨或拋光

1.{機(jī)} emery cutter; knife grinder; grindstone; buzzer; abrasion wheel; carborundum wheel; emery wheel; sandstone disk; stone wheel; grinding wheel