特殊用法contrast crushing1.对比度压缩cycle crushing1.循环式破碎double wheel crushing1.双轮粉碎fine crushing1.精细压碎free crushing1.【采矿】自由破碎graded crushing1.分级压碎; 分段破碎medium crushing1.中级破碎partial crushing1.部分破碎single-stage crushing1.单级破碎stamp crushing1.捣碎vortex crushing1.回旋破碎