雨涝，指因大雨、暴雨或持续降雨使低洼地区淹没、渍水的现象。雨涝主要危害农作物生长，造成作物减产或绝收，破坏农业生产以及其他产业的正常发展。
夏季风偏强(弱)年份，华北平原多发生雨涝(干旱)。
When summer monsoon intensity is weak (strong), drought (flood) frequently happen in the North China Plane.
西太平洋副热带高压位置偏北、偏西(偏南、偏东)，华北平原地区易发生严重雨涝(干旱)。
When location of the western Pacific subtropical high is to the north and west (south and east) as compared with the normal, serious floods (droughts) happened often.
为应对这样的雨涝，我们的城市投入巨资，建造了超大规模的排水管道和排水泵站，恨不得使每一滴雨水瞬间消失。
To deal with the volume of raining and flooding, our cities make huge investments to build large drainage pipelines and pumping stations, hoping to drain every drop of rain in the blink of an eye.
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