河流水能资源 waterpower resources of river ; hydropower resources of river
黄河流域水资源 yellow river basin water resources ; he yellow river basin water
河流水资源 river water resources
河流洪水资源利用 River Floodwater Resources Utilization
国际河流水资源 Water resources of international rivers
河流水资源规划 river-basin water resource systems planning
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