• 1. center drill: 中心钻 | 中心孔钻 | 中心钻头 | 中间孔钻
• 2. combined center drill: 复合中心钻
• 3. scale-type center drill: 尺型中心钻

更多释义

• 1.Geologists analyzing that data can then consult with drill sites thousands of miles away, using technology that links the research center to platforms around the world.
  地质学家分析以后能请教几千公里以外的开发地区研究数据，运用科技把研究中心和世界各地现场联系在一起。
  dict.yoduao.com
• 2.This is a great combination passing drill that will help focus on center mid play and playing diagonal balls in the direction they are facing.
  一个很棒的传切配合训练，重点在于训练队员的在中路传切和向面对方向斜向传接球能力。
  dict.yoduao.com
• 3.Drill out the center of a bat and replace it with cork, you get a lighter, faster swing.
  把球棒的中心挖空，用软木塞来代替，如此一来球棒会变轻，挥棒速度会变快。
  dict.yoduao.com

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