borehole [ˈbɔ:rhəʊl]

例句:

• To dig a borehole is to create a community.
  来自VOA
• There is some trouble in the borehole. Don't leave the rig floor.
  井下出现复杂情况, 不要离开钻台.
  
• Borehole hydromining is a kind of safe and efficient new mining method.
  钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法.
  
• But the research on borehole deviation control is very few.
  但在井斜控制方面的研究还很欠缺.
  
• In some, we're digging a well or a borehole.
  来自VOA
• He now runs a borehole drilling company that operates in Somalia.
  来自VOA