打埋头孔的英文：
countersink (drill)

countersink是什么意思：
vt. 钻孔装埋,打埋头孔于
n. 皿锥,埋头孔,暗钉眼
  • Detachable pilots for use with counterbores and countersinks
    锪钻用可换导柱
  • Countersinks with morse taper shanks and detachable pilots
    带可换导柱锥柄90°锥面锪钻90°
  • Countersinks with morse taper shanks for angles 60°,90°and 120°inclusive
    柄锥面锪钻
drill是什么意思：
n. 钻头，钻孔机；操练，演习；条播沟
v. 钻（孔）；钻探；操练，演习；条播
  • The worker was drilling.
    此工人在用钻孔机钻孔。
  • Drilling is performed with a rotating tool called a drill.
    钻孔是用一个称为“钻头”的旋转刀具进行的。
  • Can you teach me the drill?
    你能教我正确的作法吗？
  • drill type burner
    钻孔型火口
  • The team is still drilling.
    钻探队还在钻探。

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