1) pumping sucker joint
油杆接头
1.
Discuss on the processing method of pumping sucker joint
抽油杆接头加工方法探讨
2) sucker rod substitute
抽油杆接头
3) hook of
抽油杆停动接头
4) rod reducing coupling
抽油杆异径接头
5) box andpin type sucker rods
公母接头连接的抽油杆
6) oil jumper joint steel
石油钻杆接头用钢
1.
In this paper,some samples were taken while smelting 37CrMnMo oil jumper joint steel and quantitative and qualitative examinations of inclusions were carried out.
通过对石油钻杆接头用钢37CrMnMo冶炼过程现场取样,对试样中的夹杂物进行定量和定性分析,确定了该钢种夹杂物控制改进措施。
补充资料：连动杆
1.指连杆。
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