There were many indexes can evaluate the maturity of compost, but it was short comprehensive to use single evaluation index.
堆肥腐熟度的评价指标很多，但以单个指标评价腐熟度显然是不够全面的。
There were many indexes can evaluate the maturity of compost, but it was short comprehensive to use single evaluation index.
堆肥腐熟度的评价指标很多，但以单个指标评价腐熟度显然是不够全面的。
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