“油管头”的概念、定义、翻译、参考文献-科学参考

单词	油管头
释义	油管头 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	laser ablative propulsion laser acceleration laser accelerator laser action zone laser acupuncture laser acupuncture anesthesia laser aligner laser aligning laser altimeter laser altimetry satellite，LAS laser amplifier laser angioplasty laser annealing laser annealing process laser application laser-arc hybrid welding laser array laser assisted grinding laser assisted injection laser-assisted injection laser assisted subepithelial keratomileusis laser-assisted subepithelial keratomileusis laser-assisted subepithelial keratomileusis, LASEK laser based length standard laser-based particle analyzer

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。