作为南水北调后续首个开工项目,引江补汉每年调水39亿立方,强力保障华北用水安全 As the first follow-up project of the South-to-North Water Diversion Project, it transfers 3.9 billion cubic meters of water yearly to secure water supply for North China. 幸福小筑(💯互Fo❗️❗️) @mengwei73526359 · 2026-06-12