Origins of Soil and Water Loss of the Sand-Laden and Coarse Sand Areas in the Old Great Bend of the Yellow River and Countermeasures for Prevention and Control是什麼意思_Origins of Soil and Water Loss of the Sand-Laden and Coarse Sand Areas in the Old Great Bend of the Yellow River and Countermeasures for Prevention and Control在線翻譯_英語_讀音_用法_例句