该工艺对于缓倾斜薄矿体铝土矿、铁矿露天开采具有重要意义。

The technology is very useful for exploiting gentle-inclined thin bauxite body as well as for open-pit mining of iron ore.

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金山金矿矿体属于缓倾斜薄至中厚矿体，形态复杂，开采难度大，原采用全面法开采，采矿损失大、工效低、采场生产能力小。

The orebody in Jinshan gold mine is flatly inclined and has thin to medium thickness, with a complicated morphology, thus the mining is very difficult.

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金厂峪金矿部分顶板不稳定的缓倾斜薄至中厚矿体，其开采难度很大。

Part of ore body in Jinchangyu Gold mine is this kind of gently inclined thin and medium thick ore body with unstable roof, it is hard to mine.

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