“钻井定向接头”的概念、定义、翻译、参考文献-科学参考

单词	钻井定向接头
释义	钻井定向接头 Encyclopedia 工学定向井工具释 orientation sub钻井定向接头为陀螺测斜仪、随钻测斜仪等测量仪器提供固定方向坐放位置的配套工具。
随便看	nuclear envelope nuclear environment nuclear equation nuclear ethics nuclear evolution time nuclear excited state nuclear explosion nuclear explosion detection satellite nuclear explosion device nuclear explosion fireball nuclear explosion in air nuclear explosion pressure simulator nuclear export signal，NES nuclear family nuclear fireball model nuclear fission nuclear fission and nuclear fusion nuclear fission chain reaction nuclear fission detector nuclear fission fuel nuclear fission mechanism nuclear fission reactor nuclear force nuclear force saturates nuclear forensics

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。