drill pipe joint

• 钻杆接头

drill pipe joint的用法和样例：

例句

1. 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。
2. 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。