The main goal of the toilet modernization in rural areas is to prevent and control the propagation of the verminous and intestinal infectious affection.
农村改厕的主要目的是预防、控制肠道传染病和寄生虫病的传播。
The main goal of the toilet modernization in rural areas is to prevent and control the propagation of the verminous and intestinal infectious affection.
农村改厕的主要目的是预防、控制肠道传染病和寄生虫病的传播。
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