另外， 结缕草、香根草有吸收土壤中重金属或去除塘泥中悬浮固形物、净化土壤的功能。
In addition to these herbs, Zoysia and Vetiveria zizaniodes have soil purification properties as they can absorb the metals in the soil and get rid of suspended matter as well.
回收白水中的纤维素、填料等有用的悬浮固形物可以降低生产成本和提高白水回用率，对环境保护具有重要的意义。
Recycle of useful suspended solids such as cellulose and loadings and so on is significant in reducing production cost and improving white water reuse rate and environmental protection.
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