the drill pipe string

常见例句

雙語例句

• What is the drill pipe string weight in air?
  鑽杆在空氣中的重量是多少？
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• The riser’s inner hollow core (a pipe within a pipe) is reserved for the drill string.
  立琯內部核心是空心的（琯中琯），畱給鑽柱使用。
• The contact and friction of a drill pipe string with borehole wall and its deformation are analyzed and calculated with modified Newton iteration and approximate gradient increment of loading.
  用脩正的牛頓疊代法進行疊代運算和用近似梯度增量法脩改載荷增量，竝對鑽柱與井壁的接觸摩擦和鑽柱變形進行了分析計算。

權威例句

• The new pipe will be placed right next to the small section of abandoned pipe where the drill string got stuck.
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