“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	Bahaa Taher Bahadur Bahadur asymptotic efficiency Bahadur efficiency Bahai Gardens Baham Bahama Islands Bahamas Bahamas Federation of Trade Union Bahamian Democratic Party Bahawalpur Baha Zain Ba He Bahean Stage Bahir Dar Bahla Fort Bahmanī Kingdom bahnaluminium Baho! Bahrain Drama Bahrainese Bahrain National Museum Bahrain News Agency Bahrum Rangkuti Bahuisi grottoes at Quyang County

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