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近三年来,山东黄河堤防多处发生裂缝,这种险象,已引起各级修防部门的关注。现就裂缝统计情况及原因分析分述如下。
In the past three years, there have been many cracks in the embankments of the Yellow River in Shandong Province. Such dangers have drawn the attention of the defense departments at all levels. Crack statistics on the situation and analysis are as follows.