tubingless

tubingless

美 　英

• 网络不下油管的

例句

Analysis of Mechanism of Off-center Wear Resistance by Using Tubingless Production Techniques

无油管采油技术防止油井偏磨的机理浅析

Tubingless hollow subsurface pump system for slim hole production

小井眼无油管空心抽油泵采油系统

Application of Slimhole Drilling and Tubingless Completion in the Gas Field Houwujiahu

小眼钻井及无油管完井在后五家户气田中的应用