“secondary recovery of pillar”的概念、定义、翻译、参考文献-科学参考

单词	secondary recovery of pillar
释义	secondary recovery of pillar Encyclopedia 工学二次资源开采释 secondary recovery of pillar残矿柱二次开采对一次开采时残留的各种形式矿柱进行的回采工艺。
随便看	Robert Smithon Robert Smithson Robertson Robertson condition Robertson conjecture Robertson crater Robertson Davies Robertson graph Robertson-Walker metric Robertsport Robert Stanley Matano Robert Staughton and Helen Merrell Lynd Robert Stewart Robert Stone Robert Strange McNamara Robert Taylor Robert Towne Robert Tressell Robert Vischer Robert Walpole Robert W. Cox Robert Wellesley Cole Robert Wiene Robert Wilhelm Bunsen Robert William Holley

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