though sediment was 2.69 kg/km2.a, while shrub and herbage vegetation were 1.18 kg/km2 and 7.51 kg/km2.a, respectively. The P2O5 discharge amount of arbor vegetation though sediment是什么意思_though sediment was 2.69 kg/km2.a, while shrub and herbage vegetation were 1.18 kg/km2 and 7.51 kg/km2.a, respectively. The P2O5 discharge amount of arbor vegetation though sediment在线翻译_英语_读音_用法_例句