“tubing head”的概念、定义、翻译、参考文献-科学参考

单词	tubing head
释义	tubing head Encyclopedia 工学井口装置释 tubing head油管头油井生产管柱最上层装置。用于悬挂油管及密封油管与套管之间环形空间，上部接采油树配合生产。
随便看	local uniformizing coordinate local uniformizing parameter local universal deformation local universe local unstable manifold local unstable set local value local variable local variation local variety of grassplant local ventilation local versal deformation local version local vertical local viewpoint local wealthy family local weight Locarno Locarno International Film Festival locate channeling by acoustic amplitude logging locate channelling locate channelling by packer locate thief zone locating location

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。