Through the reduction roasting, the dezincification rate reached up to 98%, a high grade iron ore with only 0.

通过还原焙烧，高炉尘泥脱锌率可达98%，并得到含锌率仅为0。

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Through the reduction roasting, the dezincification rate reached up to 98%, a high grade iron ore with only 0.

通过还原焙烧，高炉尘泥脱锌率可达98%，并得到含锌率仅为0。

youdao