“directional well tool”的概念、定义、翻译、参考文献-科学参考

单词	directional well tool
释义	directional well tool 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	open set open set basis open set condition open-set condition open-shelf book selling open-shelf reserve system open shell open shop scheduling problem open shortest path first open shortest path first, OSPF open simplex open skies open solar telescope open solid sphere open source open source brain computer interface project open source financial information trading platform open-source intelligence open source software open source software of digital library system open space open space ratio open sphere open spiral galaxy open star

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。