例句 /

This series of ball mill is widely suitabie for ore dressing , chemical , coal,cement and tetractory sectors to operate fine grinding.

This series of ball mill is widely suitabie for ore dressing , chemical , coal,cement and tetractory sectors to operate fine grinding.

系列球磨机广泛用于选矿、化工、煤、水泥、耐火材料等部门作研磨物料。