拋光的次序為碳化矽磨錐(carborundum point)→精修磨針(finishing bur)→橡皮研磨頭(rubber abrasive point)
46.汞齊拋光(polishing)的時機與步驟,下列敘述何者錯誤? (A)需..-阿摩線上測驗