• 文章分析淠史杭灌区2001年特大干旱旱情、抗旱措施效益

    The article analyses the condition of drought and the prevention measure of drought and the result of irrigation of Pishihang Irrigation District in 2001.

    youdao

  • 文章分析淠史杭灌区2001年特大干旱旱情、抗旱措施效益

    The article analyses the condition of drought and the prevention measure of drought and the result of irrigation of Pishihang Irrigation District in 2001.

    youdao

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