“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	surface acidity surface acoustic wave surface acoustic wave actuation surface acoustic wave device surface acoustic wave, surface sound wave surface acoustic wave touch screen surface acoustic wave transducer surface acoustic wave（SAW）sensor surface activation treatment surface activator surface active agent surface activity surface-adsorbed water surface adsorption surface alloy surface alloying technology surface analysis surface analysis and detection surface analysis in vacuum surface analysis technique surface and ground movement surface and interface effect surface and interface scattering surface and interfacial mechanics of biomaterials surface and underground combined mining

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。