The treated waste water is led through pipe to toilet to replace tap water for flushing.

经过处理后的杂用水通过管道连接抽水马桶，以取代自来水冲洗。

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The treated waste water is led through pipe to toilet to replace tap water for flushing.

经过处理后的杂用水通过管道连接抽水马桶，以取代自来水冲洗。

youdao