The direct reduced iron is a high-quality material after coldly bonding, and the utilizable value of high-purity iron powder is higher.
直接还原铁粉经冷固结成型后即为电炉炼钢的优质原料，而高纯铁粉的利用价值更高。
The basic ways of improvement of natural grassland fodder plant economic value are grassland fertilization, compensatory seed planting and sowed leguminous grass and selected rational utilizable way.
提高天然草地饲用植物经济价值的基本途径是施肥、灌溉、补播和混播豆科牧草及采取合理的利用方式。
The basic ways of improvement of natural grassland fodder plant economic value are grassland fertilization, compensatory seed planting and sowed leguminous grass and selected rational utilizable way.
提高天然草地饲用植物经济价值的基本途径是施肥、灌溉、补播和混播豆科牧草及采取合理的利用方式。
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