Preliminary Discussion on the Creative Approach of the Scientific Research on the Sand Drift Prevention and Control in China-A Case Study in the Hexi Corridor, Gansu Province是什么意思_Preliminary Discussion on the Creative Approach of the Scientific Research on the Sand Drift Prevention and Control in China-A Case Study in the Hexi Corridor, Gansu Province在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句