More on the hard and soft ore to China, is broken, especially for the crushing of ore and precious metal ore requirements of the mud at least, they used roll crusher more appropriate.

• 更可对中硬和软矿石进行中、细破碎，特别是对破碎含贵重金属的矿石而又要求矿石泥化最少时，往往采用辊式破碎机更为合适。