turbo-drilling

常見例句

• The drilling troops mustered on the hill.
  演習(xí)部隊(duì)在小山上集合起來了。
• The workman is drilling in the wall.
  工人正在墻上打孔。
• Drilling is cutting a hole with a drill.
  鉆削就是用鉆頭鉆一個(gè)孔。
• At six we were fallen in for drill.
  六點(diǎn)鐘我們站好隊(duì)準(zhǔn)備操練。
• The noise of the drilling is intolerable.
  鉆孔的噪音讓人受不了。
• turbo drill string
  渦輪鉆具
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