黄河下游兰考河段凌汛成因及防御措施(韩贵俭 徐景花)
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一、兰考黄河河段概况
兰考黄河河段位于河南黄河右岸最下段,上接开封县,下至山东省东明县。所辖黄河堤防
黄河下游兰考河段凌汛成因及防御措施(韩贵俭 徐景花)
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本文2010-03-12 22:31:15发表“农林鱼水论文”栏目。
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