“地下转露天开采”的概念、定义、翻译、参考文献-科学参考

单词	地下转露天开采
释义	地下转露天开采 Encyclopedia 工学露天与地下联合开采释 transition from underground mining to surface mining地下转露天开采前期用地下开采矿床下部矿体，后期过渡到用露天开采矿床上部矿体的开采方式。
随便看	direct cutter direct cutting direct decomposition direct defense direct democracy and indirect democracy direct derivation direct design method direct-detection optical receiver direct detector direct development direct digital control direct digital control, DDC direct digital control systems direct dimethyl ether fuel cell direct disaster of earthquake direct discharge sewage direct distribution coefficient direct division direct double-sweep direct drive direct drive feed device direct drive liquid crystal display technology direct drive valve direct drive valve actuator direct drying of mineral processing products

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。