1. he flow pattern of internal circulation,clarification zones, and elutriating leg ofDTB type crystallizers were presented, andtheir structure, functions, and improvementswere deseribed.
   本文介绍了DTB型结晶器的内循环流型、澄清区和淘析腿，并对其结构、功能以及改进之处作了详细论述。
2. The products include three series as follows： International Class A standards rice series;green and non-elutriating rice series of editing binding;special fragrant rice series.
   我厂米业加工的产品包括三大系列：符合国际A级米系列，精装绿色免淘洗系列，特色香型系列。

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