“钻机起升系统”的概念、定义、翻译、参考文献-科学参考

单词	钻机起升系统
释义	钻机起升系统 Encyclopedia 工学钻井装备释 hoisting system钻机起升系统用以悬持、起升、下放钻柱、套管柱、油管柱或抽油杆柱及控制钻头送进的整套设备组合。
随便看	hierarchical task network planning hierarchical tree hierarchical triple system hierarchical universe hierarchical watershed hierarchic subject of decision-making in mega project hierarchies theory of learning hierarchization representation？ hierarchized hierarchy hierarchy of categories hierarchy of church hierarchy of geographical names hierarchy of models hierarchy of needs hierarchy of needs theory hierarchy of sets hierarchy of types hierarchy plus input-process-output hierarchy problem hierarchy structure hierarchy theorem hierarchy theory hieroglyph hieroglyphic

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。