Cemented lumpy-rock的意思|示意

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巩固了lumpy-rock


Cemented lumpy-rock的网络常见释义

块石胶结 ...网 关键词: 上向分层 块石胶结 干式充填 组合式充填 矿块一步骤回采 [gap=661]Key Words:Upward slicing,Cemented lumpy-rock,Dry filling,Combined filling,One step mining of ore block ..