1) external upset end
外加厚端
2) End-upsetting
管端加厚
1.
Design and Testing of Technological Process for End-upsetting of Oil Drill Pipe;
石油钻杆管端加厚工艺过程设计与试验
2.
The design of non-dig drill pipe end-upsetting product line autocontrol system were introduced in this paper.
介绍了非开挖钻杆管端加厚生产线自动控制系统的设计。
3) end upsetting
管端加厚
1.
A study on oil drill pipe end upsetting process;
石油钻杆管端加厚工艺研究
2.
Research shows that fatigue life of drill pipe was influenced by the geometric shape in intermediate belt formed during the end upsetting process.
研究表明,在钻杆管端加厚过程中所形成的内加厚过渡带的形状对钻杆的使用寿命有显著影响。
4) upset end
加厚端
补充资料：端管
1.专责管理。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条