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Through tests can determine the ore properties, basic tests have full iron grade, magnetic iron content.
通过化验就可以确定矿石性质，基本的化验有全铁品位、磁性铁含量。
youdao
-
Through tests can determine the ore properties, basic tests have full iron grade, magnetic iron content.
通过化验就可以确定矿石性质，基本的化验有全铁品位、磁性铁含量。
youdao