two-stage countercurrent leaching的意思|示意
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两段逆流浸出
two-stage countercurrent leaching的网络常见释义
二段逆流浸出 ... 二次支护巷道:double supporting roadway 二段逆流浸出:two-stage countercurrent leaching 二次锚喷支护:secondary bolt/shotcreting support ...