选矿石 meaning in Chinese

ore-dressing plant

We have successfully supplied the breaking equipment and other special machines for roadbuilding and bridgebuilding with excellent quality for building highway in capital airport , huning , shenshan , cheng ya , huanghuang , jingzhu , baodong , xulian , ganyue , hangjinqu , hexu and others
上海林沪集团专业设计生产“山友”牌系列碎石筛分成套联合设备，科技含量高，广泛应用于国内外选矿石场建材硅酸盐和化学工业等已建在建项目。