“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	predecessor function predecidual cell predecomposition predefine predefined pre-deflection predegassing Pre-delivered Xingjuan Poems and Literature in the Tang Dynasty predeposition pre-design predesign predestination predetection predetection dedispersing predetermination predetermined predetermined harmony theory predetermined motion time standard approach predetermined value predetermined variable predicate predicate-argument structure predicate calculus predicate calculus with identity predicate constant

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