Benefit of Deserticultural Construction and Agri-cultural Sustainable evelopment in Arid and Semi-arid Region of Northwest China--A Case Study in North and Central Ningxia是什麼意思_Benefit of Deserticultural Construction and Agri-cultural Sustainable evelopment in Arid and Semi-arid Region of Northwest China--A Case Study in North and Central Ningxia在線翻譯_英語_讀音_用法_例句