"Sewage sludge" means sludge arising from urban effluent treatment plant and includes pretreatment waste, scourings and unstabilised sludge.

“下水道淤泥”，是指经城市污水处理厂产生的淤渣，包括预处理的废物、污垢和性质不稳定的淤泥。

youdao

For the purposes of heading 38.25, "sewage sludge" means sludge arising from urban effluent treatment plant and includes pretreatment waste, scourings and unstabilised sludge.

品目38.25 所称“下水道淤泥”，是指经城市污水处理厂产生的淤渣，包括预处理的废物、刷洗污垢和性质不稳定的淤泥。

youdao

This method had been adopted by mass effluent treatment plant, because it was low innocuity and cleanliness, had great degradation capacity, and can almost degrade all kinds of organic substance.

该方法环保无毒、效果好、能降解目前世界上几乎所有的有机物，为目前绝大部分的污水处理厂所广泛使用。

youdao

Your report measures watershed quality and I assume that runs well north of the city where small towns may not do as good a job depositing their treatment plant effluent.

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