... operational stripping ratio 生产剥采比 pit-limit stripping ratio 境界剥采比 stripping-to-ore ratio 剥采比 ...
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以6号勘探线北部为例计算了剥采比。
The ratio of overburden of the north part to no. 6 line is calculated.
从而可以减少剥离量或增加采出矿石量，降低剥采比，提高矿山经济效益。
So, using the internal dumping could decrease the waste volume or increase the production, reduce the stripping ratio, and improve the economic benefit.
影响露天矿开采境界的因素很多，其中一个最重要的因素就是经济合理剥采比。
There are many complications that influent open-pit limit and the economic stripping ratio is the most important one.
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