“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	flood impact assessment flooding flooding attack flooding conditions of ore deposits flooding into pier foundation pit flooding irrigation for grassland flooding network flooding of ore deposits flooding polymer flooding stress flooding therapy flood insurance flood investigation floodlight floodlighting flood mark flood monitoring by remote sensing flood of Haihe River in 1939 flood of Huanghe-huaihe-haihe-changjiang Four Rivers in 1662 flood of middle reaches of the Yellow River in 1843 flood of Yangtze River and Huaihe River in 1931 flood of Yangtze River in 1935 flood period flood plain floodplain

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。