汉弗莱螺旋选矿机2) spiral [英]['spaɪrəl] [美]['spaɪrəl] 螺旋选矿机 1. Study and Commercial Test on Separation of Panzhihua Titanioferrite by Using GL-2Φ600mm Spiral; GL-2型Φ600mm螺旋选矿机选别攀枝花钛铁矿的研究与工业试验 2. Structural specialities of the GL-spirals ...