“shaft excavation”的概念、定义、翻译、参考文献-科学参考

单词	shaft excavation
释义	shaft excavation Encyclopedia 工学岩石工程开挖释 shaft excavation竖井开挖挖掘垂直或倾角较大的井洞，将土石松动、破碎并运出井外的施工活动。
随便看	line spectrum pair line splitting line spread function line storage tube line strength line structure line style line (surface) of degeneration of type line symbol line symbol design line symbol method line symmetry line tension of dislocation line to ground distance line trace line transect line transect method line-turn lineup clamp line voltage line voltages line wave protection line width linewidth broadening factor line width, line breadth

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。