这是发生事故的画舫（8月20日摄）。8月19日19时23分左右，由德清洛阳游艇制造有限公司为宁夏吴忠市交通局制造的一艘画舫在黄河吴忠过境段调试时发生侧翻，船上7人落水。截至记者发稿时，其中4人上岸，另有3人下落不明。事故发生后，吴忠市主要领导赶赴现场救援，出动救援船只5艘，公安、武警、消防战士近500人沿黄河搜救。新华社记者 王鹏 摄 This is an accident of a houseboat（On August 20, perturbation）。On August 19, when 19 around 23 points，Deqing by luoyang yacht manufacturing co., LTD. For ningxia WuZhongShi traffic department made a ship in the Yellow River houseboat, WuZhong transit section occurs when debugging side tumbling，Ship seven people fall。At press time，With four people go ashore，Another 3 people missing。After the accident，WuZhongShi main leadership team to the scene rescue，Out rescue 5 ships，Public security、Armed police、Fire fighters nearly 500 people along the Yellow River search and rescue。Xinhua news agency reporters WangPeng perturbation

消防官兵在现场组织搜救（8月20日摄）。 新华社记者 王鹏 摄 Fire officers and soldiers in the field organization search and rescue（On August 20, perturbation）。 Xinhua news agency reporters WangPeng perturbation