Bench height increasing is beneficial to reducing mining cost.
增加台阶高度对于降低采矿成本是有益的。
The paper presents the functional relationship between transport work of ore and rock handling and bench height in open-pits.
文章给出了露天矿采出矿岩运输功与台阶高度的函数关系。
The research result showed that the average transport work content of ore and rock in open-pit decreases as bench height increasing.
研究结果表明，随着台阶高度的增加，采出矿岩平均运输功含量呈下降趋势。
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