“surface and underground mining at the same time”的概念、定义、翻译、参考文献-科学参考

单词	surface and underground mining at the same time
释义	surface and underground mining at the same time Encyclopedia 工学露天与地下联合开采释 surface and underground mining at the same time露天与地下同时开采矿床从开始开采直至相当长的时期内，露天开采与地下开采同时进行的开采方式。
随便看	tracial weight tracing tracing arm tracing condition tracing method tracing paper cabinet tracing point track track addition track and dolly shot Track and Field track and field ground Track and field stadium track and highway combined bridge trackball track beam bearing or guideway bearing track beam fabrication technology track beam line adjustment track beam maintenance track beam of straddle type monorail track bearing capacity track bed structure track-before-detect track bridge track by footprint

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