drill pipe joint
英
美
- 钻杆接头
双语例句
- Eleven mare moaes of tool joint tailures are summarized.
综述了石油钻杆接头失效的十一种主要形式。 - The new assembly can make the joint of the polished rod pass through, therefore can meet the need of new oil production technology.
这种密封盒可以使比光杆杆体直径大得多的光杆接头通过，能满足新的采油工艺需要。
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