Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/267862c76b40ba1a54a78404185effbd.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 wind drift sand region例句_wind drift sand region英汉例句_wind drift sand region双解例句_流逝汉英词典
The classification of coastal dunes is the most important basic problem in the research on the landscape of the wind drift sand in coastal region. 海岸沙丘分類一直是海岸風沙地貌研究的重要基礎問題之一。