一座新选矿石正快速修建起来。

A new ore-dressing plant is rapidly going up.

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含砷金矿属难选矿石。

It is difficult to concentrate for Arsenical gold Mineral.

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铜锌硫多金属矿石分离历来是选矿界的难题。

Separation of Cu, Zn and sulphur has been a difficult problem for a long time.

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矿石的选别主要采用重力选矿。

Gravity separation was the primary process for gold ore beneficiation int...

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矿石的选别主要采用重力选矿。

Gravity separation was the primary process for gold ore beneficiation int...

youdao