Joint Thread 联接螺纹 ; 连接螺纹
tool joint thread gage 钻杆接头螺纹量规
tool joint thread 钻杆接头螺纹
left-hand tool joint thread 左旋钻杆接头螺纹
Turning thread joint 旋入螺纹接头
Outer thread woggle joint 外螺纹活接头
joint with male thread 外螺纹接头
Radial distortion of the flexible component in the stop valve can be adjusted so as to ensure the joint depth between flexible screw thread trepanning circular groove and screw thread on the screw.
截止阀的柔性元件的径向变形值可以调节，保证柔性螺纹套的环槽与螺杆上的螺纹的接合深度。
This article proves that rolling operation can largely enhance fatigue strength through the research on the cold rolling operation of thread root of the drilling tool joint.
通过石油井下钻具接头螺纹冷滚压工艺的研究可以证明冷滚压可大大地提高接头的疲劳强度。
This paper discusses the mechanical, hardware, software configurations and principles of CAT system for joint internal thread in details.
详细介绍了油管接箍内螺纹计算机辅助测量系统的机械、软硬件结构与原理。
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