Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/e21c834e958ff748eefd309f8df4f4f4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 Velev例句_Velev英汉例句_Velev双解例句_衣物護欧路词典
Another approach to propulsion and steering has been demonstrated by Orlin Velev of North Carolina State University and his collaborators. 另一種推進與操控方式，是由美國北卡羅來納州立大學的維列夫（OrlinVelev）所提出。