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At present, the grade of Miaogou iron concentrate was only 64.26% with high content of silicon.
庙沟铁矿目前最终铁精矿品位只有64.26%,精矿中含硅较高。
youdao
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At present, the grade of Miaogou iron concentrate was only 64.26% with high content of silicon.
庙沟铁矿目前最终铁精矿品位只有64.26%,精矿中含硅较高。
youdao