“wellhead equipment”的概念、定义、翻译、参考文献-科学参考

单词	wellhead equipment
释义	wellhead equipment Encyclopedia 工学井口装置释 wellhead equipment井口装置为了悬挂井下套管柱、油管柱，密封各层套管之间的环形空间，从而控制油气井生产的地面装置。
随便看	identity principle of microparticles identity problem identity property of clothing identity relation identity representation identity state identity subgroup identity theorem identity token identity transformation identity tree Identity: Youth and Crisis identometer identric mean ideograph ideographic character ideological and political theory courses in colleges and universities ideological critique ideological film criticism theory Ideological History of Chinese Daoism ideological line Ideological Remoulding of the Intellectuals ideological state apparatuses ideological superstructure Ideology

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。