“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	ore comminution energy consumption principle ore concentration area Ore condition Ore conjecture ore crushing ore crushingprocess ore crushing process control ore dampness ore dilution rate ore distributing control Ore domain ore drawing ore field orefield ore formation mechanism ore-forming element geochemistry ore-forming elements ore-forming fluid ore fuel Oregano Oregan Treaty Oregonator Oregon State Oregon State University Oregon Trail

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。