“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	Goldbach problem Goldbach's conjecture Goldbach theorem Goldbach-type theorem Goldbach-Vinogradov theorem Goldbach-Waring problem goldbonded Gold Book of Warrant Gold Candles Awards Gold Card Project gold cementation by zinc Gold Coast Gold Coast Aborigines' Rights Protection Society Gold Coast Muslim Association gold coin in Chu gold cyanide leaching Gold Dagger Romance gold-doped germanium detector gold dredger Golden golden 72 hours golden age in Andalusia golden algae golden angle golden apple snail

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。