“drill pipe”的概念、定义、翻译、参考文献-科学参考

单词	drill pipe
释义	drill pipe Encyclopedia 理学孔内钻具释 drill rod；drill pipe钻杆钻探施工中用以连接钻头等，并传递钻压、动力、输送冲洗介质的中空杆件。
随便看	rational sum rational surface rational system organization rational tangle rational term rational tetrahedron rational transformation rational triangle rational trigonometric sum rational use of drug rational use of drug in aircrew rational use of medicines rational utilization of grassland resource rational variety Rational will rational zero theorem ration certificate for imperial messengers Rationed Tribute ration grazing ratio of centralized water supply ratio of consumption wastes treated ratio of division ratio of external division ratio of greater inequality ratio of internal division

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。