drilling

• What is the drill for claiming expenses ?
  费用报销的手续，是怎样的？
• The telephone started drilling all of a sudden .
  电话突然嗡嗡响起来。
• The soldiers were at drill in the barrack yard .
  士兵们在军营里操练。
• Diamond drilling replaced percussion drilling .
  金钻探取代了冲击钻探。
• We will have to drill a hole of 1.4mm .
  我们要钻一个14毫米的孔。
• The soldiers were at drill in the barrack-yard .
  士兵们在兵营练兵场操练。
• Drills were set to work without intermission .
  螺旋钻在一刻不停地挥舞着。
• They were twirling a brace drill .
  他们当时正在转动曲柄钻。
• When was the first offshore oil well drilled ?
  第一口滨海油井是什么时候打的钻？
• We had to drill 20 miles .
  我们得靠两条腿走二十英里了。