1 A题的背景与问题形成赞比西河是南部非洲第一大河,该河流经高原地区,穿越一系列峡谷地段,形成许多瀑布、急流,蕴藏着丰富的水能资源,总水能资源约达1 300亿kW·h。赞比西河上的卡里巴水坝是非洲较大的水坝之一,南非风险管理研究所在2015年的报告中指出:卡里巴大坝急需维护。由于赞比西河沿岸国家经 1 A background and problems forming the Zambezi River is the largest river in southern Africa, the river flows through the plateau region, through a series of canyon sections, the formation of many waterfalls, rapids, is rich in water resources, total water resources up to about 130 billion kW · h. The Karibaba Dam on the Zambezi River, one of the larger in Africa, said in a 2015 report by the South African Institute for Risk Management that the Karibá dam is badly in need of maintenance. Thanks to the Zambezi River countries