经精选处理，生物活化等工序加工而成，表观为不规则颗粒，颜色为黑褐色。
After selection processing, working procedure processings and so on biological activation become, apparent is the anomalous pellet, the color is the vandyck brown.
经精选处理，生物活化等工序加工而成，表观为不规则颗粒，颜色为黑褐色。
After selection processing, working procedure processings and so on biological activation become, apparent is the anomalous pellet, the color is the vandyck brown.
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