Spiral classification-screening machine has been developed by introducing wet screening into the conventional spiral classifier.
通过在传统的螺旋分级机上引入湿式筛分，研制成螺旋分级筛分机。
Spiral classification-screening machine has been developed by introducing wet screening into the conventional spiral classifier.
通过在传统的螺旋分级机上引入湿式筛分，研制成螺旋分级筛分机。
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