... 油井 oil well 油井管用螺丝纹oil well pipe thread 油芯 oil wick ...
双语例句
1
The program is to process all kinds of oilwellpipethread and casing coupling.
该项目是加工各类油井管螺纹、套管接箍的机械加工项目。
2
It is a precondition and base of improving anti-galling performance of oilwellpipe to make sure the leading influencing factor of API pipe thread gluing.
科学地确定出油井管螺纹粘扣的主要影响因素是提高油井管抗粘扣性能的前提和基础。
3
The development of the oilwellpipe with special thread connection is a systematical project involving development of relevant gauges and measuring tools for the thread as a key item.