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counterbored

📖 中文释义

  1. (counterbore 的过去分词) (用平底扩孔钻)扩孔[锪孔, 镗孔, 镗阶梯孔], 沉孔, 埋头孔

🔗 释义中的汉语词

🧩 词形变化

原形 counterbore
📘 English Definition(英文释义)
  1. past participle of counterbore
  2. n a bit for enlarging the upper part of a hole