对DD密度计法和自然堆积法两种测试膨胀梗丝填充值的方法进行了实验分析对比。

The relation between DD density meter method and natural stacking method for determining filling value of cut stem was discussed .

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堆积发酵是利用自然接种，网罗、富集、培育有益微生物，传统摊晾法的摊晾场地是微生物的一个来源之处。

Stacking fermentation referred to the utilization of natural inoculation to gather and culture useful microbes. The airing field of traditional airing was the source where the microbes came from.

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