“露天转地下开采”的概念、定义、翻译、参考文献-科学参考

单词	露天转地下开采
释义	露天转地下开采 Encyclopedia 工学露天与地下联合开采释 transition from surface mining to underground mining露天转地下开采前期用露天采矿法开采矿床上部矿体，然后过渡到用地下采矿法开采矿床下部矿体的开采方式。
随便看	Malaysian Theater malaytea scurfpea fruit Malchinhuu Malcolm Bajdrige national quality award Malcolm Bradbury malcolmize Malcolm Sargent Malcolm S.Knowles Malcolm Turnbull Malcolm X MALDI MALDITOF MALDI-TOFMS Maldives Maldives Airport Island Maldivian Maldivians Male male and female screw rotor male and female servant male animal reproductive organs maleated rosin Malebranche male bud removal male cell

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。