“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	upside upside-down Upsilon particle upsilon particle Upsilon粒子 upslip upslope UPS projection upstream upstream activating sequence upstream activation sequence upstream activation sequence (UAS) upstream expressing sequence upstream promoter element upstream promoter element (UPE) upstream repressing sequence upstream scheme upstream sequence upswept uptake uptake coefficient uptempo upthrow upthrust uptilt

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