turbo-drilling

常见例句

• The drilling troops mustered on the hill.
  演习部队在小山上集合起来了。
• The workman is drilling in the wall.
  工人正在墙上打孔。
• Drilling is cutting a hole with a drill.
  钻削就是用钻头钻一个孔。
• At six we were fallen in for drill.
  六点钟我们站好队准备操练。
• The noise of the drilling is intolerable.
  钻孔的噪音让人受不了。
• turbo drill string
  涡轮钻具
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