• 农村供水水源水质情况进行了简要介绍,就农村人畜饮水安全存在主要问题探讨如何人畜饮水工程进行管理

    The rural water supply source and water quality are introduced briefly and the main problems of how to manage the drinking water project in rural areas are discussed.

    youdao

  • 农村供水水源水质情况进行了简要介绍,就农村人畜饮水安全存在主要问题探讨如何人畜饮水工程进行管理

    The rural water supply source and water quality are introduced briefly and the main problems of how to manage the drinking water project in rural areas are discussed.

    youdao

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