A new type of multi stage cone spiral classifier was developed.
研制了一种新型多段圆锥螺旋分级机。
The mathematical models for industrial spiral classifier are finally established.
从而建立了工业型螺旋分级机的数学模型。
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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