污泥的营养成分有利于植物成长，而其颗粒特性可用于土地改良。

The nutrient value of the sludge is beneficial to vegetation, and its granular nature may serve as a soil conditioner.

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污泥的营养成分有利于植物成长，而其颗粒特性可用于土地改良。

The nutrient value of the sludge is beneficial to vegetation, and its granular nature may serve as a soil conditioner.

youdao