“roof tapping”概念、定义、翻译-科学时代

单词	roof tapping
释义	矿业工程技术词汇手册 roof tapping 敲顶；问顶
随便看	economic law economic leader economic lever economic lever economic liberalism economic liberalism economic liberalism economic life economic life economic life economic life economic life economic life economic life-line economic lifeline economic lifeline economic life value economic link economic location economic logistics quantity economic loss economic loss economic lot size economic lot size economic man

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。