“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	ultralow interfacial tension ultra-low sulfur diesel production ultra-low temperature ultralow temperature ultra-low temperature freezer ultra-low-temperature frozen food ultra low volume concentrate ultra-low water saturation ultraluminescence ultraluminous galaxy ultraluminous galaxy nucleus ultra luminous infrared galaxies ultra-luminous infrared galaxies ultraluminous infrared galaxies ultraluminous infrared galaxy ultraluminous X-ray source ultraluminous X-ray sources ultramacroion ultramafic glass ultramafic rock ultramarine blue ultrametal-poor star ultrametric ultrametric field ultrametric inequality

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