“transition from underground mining to surface mining”的概念、定义、翻译、参考文献-科学参考

单词	transition from underground mining to surface mining
释义	transition from underground mining to surface mining 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	secondary forest secondary fragment secondary gain secondary glaucoma secondary group secondary growth secondary hardening secondary harmonic generation secondary hemochromatosis secondary hemolytic anemia secondary hydrocarbon generation secondary hyperaldosteronism secondary hypertension secondary ideal secondary image secondary immune response secondary immunocompromise secondary immunodeficiency disease secondary industry secondary industry map secondary infection secondary information secondary instability secondary interference secondary ion

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