油管接箍 meaning in English

tubing collar
tubing coupling
tubing joint

Study on promoting the manufacture quality of screwed joint of oil pipe
提高油管接箍螺纹加工质量的研究
Application of surface granosealing technology on oil pipe coupling
表面磷化处理技术在油管接箍上的应用
We are setting up a mill for production of tubing and casing couplings . we would like to serve as your oem mill for this products . welcome to cooperate with us
我公司新上接箍项目，主要生产石油套管接箍和油管接箍。欢迎国内外各石油管材生产商前来洽谈合作。