mill-head desliming原矿脱泥
grade of mill head原矿品位
mill head assay入选原矿分析
DRILL-MILL HEAD钻铣头
Power Elevation Mill Head电力海拔铣头
The Mill Head磨粉机头
roast of mill head原矿焙烧
tube mill head管磨磨头
vertical mill head立铣头