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The effluent to be treated comes from various plants of the Steelworks, and contains some domestic sewage.
将要处理的污水来自钢铁厂,其中还包含部分的生活污水。
youdao
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The effluent to be treated comes from various plants of the Steelworks, and contains some domestic sewage.
将要处理的污水来自钢铁厂,其中还包含部分的生活污水。
youdao