diamond single-point dresser单点金刚笔
diamond-point tool尖头车刀
diamond-point drill operator钻石点钻机操作员
rse diamond-point knurling roll粗金刚钻压花滚刀
medium diamond-point knurling rolls中金刚钻压花滚轮
coarse diamond-point knurling roll粗金刚钻压花滚刀
single-point diamond单点金刚石
single-point diamond dresser单刃金刚石砂轮整形器
single-point diamond turning单点金刚石切削
N（名词） a diamond-tipped engraving tool 金刚石刻刀