Mysteel铁合金产量2月环比同比3月预测样本占比硅锰（万吨）84.22-9.66%3.21%↓99%高碳锰铁（万吨）11.40-3.23%3.92%↓85%富锰渣（万吨）9.10-5.21%-↑85%电解锰（万吨）8.53-13.70%-28.80%↑93%硅铁（万吨）42.45-9.84%-10.80%&darr