求翻译：对这些污泥处理方法主要有：农用，填海，焚烧，埋地。但是这些方法都无一例外地存在弊端，如污泥中重金属的含量通常超过农用污泥重金属最高限量的规定。此外，污泥中含有病原体。如果农业利用不当，将对人类的健康造成严重的危害。是什么意思？

These methods of sludge treatment are: agricultural, reclamation, incineration, underground. However, these methods are, without exception, there are drawbacks, such as heavy metals in sludge are usually more than the maximum limit of heavy metals in agricultural sludge regulations. In addition, the

The main ones being: These sludge treatment methods used in agriculture, land reclamation, burned and buried. However, these methods were, without exception, there are drawbacks, such as sludge metal contents in sludge heavy metals used in agriculture are usually exceeds the limits set in. In additi

Mainly has to these sludge processing method: The agriculture uses, to fill in the sea, burning down, buries.But these methods all without one exception have the malpractice, if in the sludge the heavy metal content usually surpasses the agriculture the stipulation which is highest with the sludge h

On the sludge treatment methods are: agriculture, reclamation, burned, buried. But these methods are without exception exist disadvantages, such as the content of heavy metals in sludge usually exceed the limit of heavy metals in sludge for agriculture the highest requirements. In addition, contain

On the sludge treatment methods are: agriculture, reclamation, burned, buried. But these methods are without exception exist disadvantages, such as the content of heavy metals in sludge usually exceed the limit of heavy metals in sludge for agriculture the highest requirements. In addition, contain