countersinking

英 [ˈkaʊntəsɪŋkɪŋ]

美

v.  钻孔装埋，打埋头孔
countersink的现在分词

机械

双语例句

• Point to point systems are suitable for hole machining operations such as drilling, countersinking, couterbofing, reaming, boring and tapping.
  点对点数控系统适用于像钻孔、沉孔加工、沉孔镗孔、铰孔和攻丝等。