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单词
one step mining
释义
one step mining
Encyclopedia
工学
回采工艺
释
one step mining
一步骤回采
针对一个采区或矿块的回采,不留矿柱或留永久性矿柱,进行一个步骤实现回采的采矿方式。又称单步骤回采。
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site of the Anyuan Railway and Mine Workers' Club
Site of the Army Administrate and Navy Administrate in the Qing Dynasty
Site of the Army Officials School in Yunnan
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