counter sunk

  • [医] 钉孔, 钻孔(牙)
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counter sunk的英文翻译是什么意思,词典释义与在线翻译:

英英释义

名词 countersink:
  1. 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

  2. a bit for enlarging the upper part of a hole

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