“time efficiency of drilling”的概念、定义、翻译、参考文献-科学参考

单词	time efficiency of drilling
释义	time efficiency of drilling Encyclopedia 理学钻探技术经济指标释 time efficiency of drilling钻探时效钻探生产中，各种工况的时间占钻探工作总时间的百分比。
随便看	substitutional disorder substitutional impurity substitutional interpretation of quantifiers substitutional solid solution substitution axiom substitution cipher substitution conduction substitution conductivity substitution elasticity of factor substitution equation substitution formula substitution group substitution lattice substitution map substitution mapping substitution matrix substitution method substitution model substitution of aesthetic education for religion substitution of the variable substitution operation substitution property substitution rate substitution [reaction] substitution reaction

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。