This involves the processing of solid wastes "prior to" disposal and the treatment of liquid wastes, or effluents, to permit the reuse of the water or minimize pollution upon final disposal.

这涉及固体废物的优先解决和液体废物处理方法，或者废水，允许再利用水，最小化污染的最终解决方法。

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This article firstly analyses the existing defects and weaknesses of the present Water Pollution-Discharge Permit System and points out the necessity to perfect it.

本文首先分析了现有水污染物排放许可证制度存在的问题与缺陷，指出完善的必要性。

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