A series of dressing special equipment, such as: river sand choose iron ships, magnetic separators, etc in nationwide get accumulates promotion.
一系列选矿专用设备，比如：河沙选铁船、磁选机等在全国范围内得到大面积推广。
2
One of causes that ore-dressing experiments of Ningxiang-type iron ore hasn t got breakthrough is insufficient study of technological mineralogy of ore.
宁乡式铁矿选矿试验未获重大突破的原因之一是对矿石的工艺矿物学研究不够充分。
3
To reduce environmental pollution and to increase thickening density of tailings have become the most important technical challenges facing the dressing scientific research work of Meishan iron Mine.