城市污水的再生利用是减轻水体污染、改善生态环境、解决城市缺水问题的有效途径之一。
Wastewater reuse is one of the efficient ways to lessen water pollution and solve the lack of water in the city.
城市污水的再生利用是减轻水体污染、改善生态环境、解决城市缺水问题的有效途径之一。
Wastewater reuse is one of the efficient ways to lessen water pollution and solve the lack of water in the city.
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