“orientation sub”的概念、定义、翻译、参考文献-科学参考

单词	orientation sub
释义	orientation sub 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	the Eighteen Imperial Mausoleums of Tang Dynasty（EIMTD） The eighteen scholars of Qingwang Mansion The Eighteenth Brumaireof Louis Bonaparte The Eight Harmony Association the eight Japanese who came to China in the Tang Dynasty and studied the esoteric doctrine the Eight Literary Societies at West Lake the eight parijñāna The Eight-point Charter for Agriculture the eight quality management principles The Eight Talented Men the eight therapeutic methods the Eight Trigrams the elderly welfare The Elder Son the electoral democracy The Electrical Engineering Handbook the electrical property of rock the electric field of metaphor the electrochemical properties of rocks the electromagnetic anisotropy of rock the electromagnetic environment of ISM The Electronic Library: The Promise and the Process The Elegant Collection of the Xianling Palace Takes the Urban Mountains and Forests as Its Charm the Elegant Literary Society The Elegant Works of Lianluo

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。