露天铁矿和选矿作业，主要为磁铁矿的开采与选别。

The primary business of the mine is mining and separation of magnetite.

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磨矿作为选矿作业中最重要的环节之一，在很大程度上决定了磨矿的后续作业——选别作业的效果。

As one of the most important part of mineral processing, grinding determine to grinding's follow-up homework-Selection's result to a great extent.

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这个分离效率计算式不仅适用于选矿各作业，同样也适用于有分离过程的其他行业。

This formula not only applies to ore dressing operation, but also applies to separating operation of the other professions.

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