“crossover subs”的概念、定义、翻译、参考文献-科学参考

单词	crossover subs
释义	crossover subs Encyclopedia 工学接头释 crossover subs接头用以连接不同尺寸、不同螺纹类型钻杆的连接部件。又称转换接头、配合接头。
随便看	polygonal method polygonal net polygonal number polygonal number theorem polygonal patch polygonal spiral polygonal variation polygon area polygonatum root-knot nematode disease polygon-circumscribing constant polygon clipping polygon construction polygon density polygon diagonal polygon diameter polygon division problem polygon edge polygon equivalent by dissection polygon fractal polygon-inscribing constant polygon intersection polygonization polygon mapping polygon of seventeen sides polygonometry

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。