• 1. drill rod: 钻杆
• 2. aluminium drill rod: 铝钻杆
• 3. Drill rod caliber: 钻杆直径

更多释义

• 1.Secondly there is error between the thread roll angles of thread rolling die and drill rod.
  滚丝轮螺纹和钻杆螺纹的螺旋角有误差。
  dict.yoduao.com
• 2.The pressure of the under well drill rod which even works in the caustic medium is extremely complex.
  钻柱在井下的受力极度复杂，甚至工作在腐蚀性介质中。
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• 3.Ever since 1998, corrosion of drill rod and minor corrosion leakage have occurred in Pinghu oil Field in East China Sea.
  从1998年开始，东海平湖油气田在钻井中接连出现了钻杆腐蚀与刺漏现象。
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