counter sunk

 
  • [醫] 釘孔, 鑽孔(牙)
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counter sunk的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

名詞 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

今日熱詞
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