air hole

📖 中文释义

  1. 气孔, 河中不冰冻部分
  2. [机] 气孔

🔗 释义中的汉语词

📘 English Definition(英文释义)
  1. A hole to admit or discharge air; specifically, a spot in
  2. the ice not frozen over.
  3. A fault in a casting, produced by a bubble of air; a
  4. blowhole.