1、
The cities low-lying land and so on must take the effective action, prevents the waterlogging.
城镇低洼地等要采取有效措施, 防止内涝.
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2、
This was the first most serious flood and waterlogging disaster for the Huaihe river since 1991.
建国以来,四川地区曾遭受数十次特大暴雨和洪涝灾害的袭击.
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