“定向井工具”的概念、定义、翻译、参考文献-科学参考

单词	定向井工具
释义	定向井工具 Encyclopedia 工学定向井工具释 directional well tool定向井工具使钻头沿着预定的井斜和方位钻进实现导向钻井的用具，以及测量井斜角、方位角和工具面等参数仪器的总称。
随便看	Purple Mountain Observatory purple orchid tree Purple Palace purple pearl purple seal purple-spotted bigeye purple stonecrop purple striae purpletop vervain purplish purplish alder family purplish amberjack Purplish soils purposeful dynamical system purposefulness purpose of broadcast purpose of crime purpose of dictionary-making purpose of penalty Purpose sampling purposes of policy evaluation purposive purposive of judgmental sampling purposive sample purposive sampling

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。