Hyetographs are important in estimating stormflow hydrographs from upstream watersheds.降雨历线资料为上游集水区推估洪水流量历线的重要依据.Sediments check dam in small watersheds in loess hilly gully area come from three proportion , i.黄土丘陵沟壑区治沟骨...

watersheds的音标：watersheds的英式发音音标为：['wɔ:təʃedz]watersheds的美式发音音标为：['wɔtəʃedz]...

n.分水岭( watershed的名词复数 )，分水线，转折点，流域...