“塔式钻具”的概念、定义、翻译、参考文献-科学参考

单词	塔式钻具
释义	塔式钻具 Encyclopedia 工学钻井装备释 tower assembly塔式钻具由下大上小的几段不同尺寸钻铤组成的钻具组合。利用近钻头端大尺寸钻铤的钟摆力进行纠斜。
随便看	Frente Nacional de Libertação de Angola Frente Polisario frenulum frenulum of tongue freon freon poisoning frequence frequence distribution curve frequency frequency-agile radar frequency allocation frequency analysis frequency and duration method frequency approach frequency attribute frequency band frequency bandwidth constraint frequency bridge frequency calibration frequency capture frequency centre frequency characteristic frequency characteristic of sound pressure frequency chart frequency chirp

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。