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

单词	transition from surface mining to underground mining
释义	transition from surface mining to underground mining 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	Nanhai model Nanhai Museum of Foshan Nanhai Ⅰ shipwreck Nanhaojushi Comments on Calligraphy and Painting Nanhao’s Comments on Poetry Nanhebang Nan He Guojiaji Ziran Baohuqu Nanhe national wetland park Nanhe Qu Nan Hu Nanhuangcheng Dao Nanhua Period Nanhua Shan Nanhua System Nanhua Temple Nanhua Xian Nanhui Museum Nanhui Qu Nanhu Revolutionary Memorial Hall Nanjiang Xian Nanjiang yellow goat Nan Jiang Yi Shi Nanjian Yizu Zizhixian Nanji Dao Nan Jing

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