代纳钻具首先是在哪儿造出来的？
拉起下部钻具并将其下到海底。
我可以用一下你的钻具本吗?。
断钻具是他们那天谈论的唯一事情。
The string parted was the only thing they talked about that day.
断钻具是他们那天讨论的唯一事情。
The string parted was the only thing they talked about this day.
接大钻具是我们明天的工作。
装行同样的钻头和钻具组合。
钻具的长度可达数千英尺。
准备挂钻具的特殊短钻杆。
每2个小时活动一次钻具。
当我们滑大绳的时候，他们在仗量钻具。
While we were slipping drilling line, they were measuring drill pipes.
你认为我有必要再把这些钻具检查一下吗？
Do you think it necessary for me examine all these drill pipes?
那时还不知道代纳钻具。
钻柱共振是引起深井钻具失效的主要原因。
Drill string resonance is the major cause of drill tool failure.
该机是由转盘带动钻具旋转钻进的回转钻机。
石油钻铤螺纹联接失效是钻具失效的主要类型。
The failure of collar connection thread is one of the prime drill tool failures.
空气螺杆钻具是专为空气钻井而设计的动力装置。
The air screw drill tool was power equipment which was designed for air drilling.
减少连接螺纹弯曲应力可以延长钻具连接螺纹的疲劳寿命。
A novel drill tool threaded connection stress relief groove is proposed in the paper.
根据零件图试制双台肩钻具接头，对其进行上卸扣试验和水压密封测试。
We manufacture the tool joint, make the seal test and make-and-break test.
根据零件图试制双台肩钻具接头，对其进行上卸扣试验和水压密封测试。
We manufacture the tool joint, make the seal test and make-and-break test.
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