arbor vegetation though runoff was 0.29 kg/km2.a, while shrub and herbage vegetation were 0.22 kg/km2.a and 0.17 kg/km2.a, respectively. The N discharge amount of arbor vegetation是什么意思_arbor vegetation though runoff was 0.29 kg/km2.a, while shrub and herbage vegetation were 0.22 kg/km2.a and 0.17 kg/km2.a, respectively. The N discharge amount of arbor vegetation在线翻译_英语_读音_用法_例句