irrigation sewage disposal 灌溉污水处理; 灌溉用污水处理; 污水灌溉处置 land disposal of sewage sludge 下水污泥的地面处理 ..
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irrigation sewage disposal fields 污水灌溉地
irrigation pumping station sewage disposal 灌溉污水处置
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Effluents from sewage disposal plants are used in some areas both for irrigation and for the nutrients contained.
废水从污水处理植物是用在一些地区的灌溉与两种营养的火势已得到控制。
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