“钻孔顶角”的概念、定义、翻译、参考文献-科学参考

单词	钻孔顶角
释义	钻孔顶角 Encyclopedia 理学钻探理论释 angle of gradient of the hole钻孔顶角钻孔轴线上某测点的切线矢量与铅垂线间的夹角。是表征钻孔倾斜程度的几何参数。简称顶角，石油钻井上又称井斜角。
随便看	Lan Xian Lan Xiaolong Lanxi Shi Lanxi Xian Lanxi Zhaoge Lan Xuefei Lan Ying Lan-Yin Mandarin Lan Yusong Lan-Yu wall gecko Lan Yuzhong Lanzarote Lanzhou-Chengdu-Chongqing oil product pipeline Lanzhou-Chengdu-Chongqing Products Pipeline Lanzhou city administrative service center Lanzhou Feng Lanzhou Guzi, a folk narrative singing in Lanzhou Lanzhou Guzi storytelling Lanzhou hookah Lanzhou Huanghe Ironbridge Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences Lanzhou large-tailed sheep Lanzhou-Lianyungang Railway Lanzhou military region Lanzhou Museum

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。