This paper introduces briefly the sand processing history by both rod mill and vertical axis impact crusher.
本文分析了砂岩湿法棒磨工艺的现状和存在的问题，并提出了工艺改进的意见。
Using forecasting techniques, we can get forecasting values of future information by processing history data.
预测技术通过对已有的历史信息的处理，得到未来信息的预测值。
The results showed that the processing history had a great influence on the crystallization and melt behavior of nylons.
结果表明，加工历史对尼龙的结晶和熔融行为影响很大。
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