countersink

英

美

n.  埋头（锥口）钻；尖底惚
v.  钻孔装埋，打埋头孔

现在分词：countersinking　过去式：countersank　第三人称单数：countersinks　过去分词：countersunk　

COCA.43213

英英释义

noun

• a bit for enlarging the upper part of a hole
  Synonym:counterborecountersink bit
• a hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface

verb

• insert (a nail or screw below the surface, as into a countersink)
  Synonym:set

双语例句

• The stress in the implants without countersink may distribut more evenly than that in those with countersink.
  无防沉装置的设计较有防沉装置者应力分布更均匀。
• Application of Floating Positioning Countersink Drill
  定位浮动式锪刀的应用
• Improvement and optimization of titanium alloys countersink drill
  钛合金锪钻改进与优化设计
• Brace countersink insensitive to the needs of the patients.
  对病人的需要感觉迟钝。
• The prestressing degree is an important concept in P.P. The Effect of Countersink Depth On Seam Overlap Percent
  预应力度是P.P.压头埋头度对卷封叠接率的影响
• Milling, boring, drilling, countersink, reaming and tapering all these process can be made for just one fixture.
  零件一次装夹后可完成铣、镗、钻、扩、铰、攻丝等多工序加工。
• A tool for making a countersink.
  做螺丝钉孔的工具。