Land degradation in Dongchuan city is analyzed.The land was degradedmainly due to water erosion.The degraded land takes 38. 5% of the total land ofDongchuan city.是什么意思_Land degradation in Dongchuan city is analyzed.The land was degradedmainly due to water erosion.The degraded land takes 38. 5% of the total land ofDongchuan city.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句