Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/b05ed921da97764ff92c177b57396e1b.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 draghead例句_draghead英汉例句_draghead双解例句_绍翊字体网有道词典
In addition, the influence of drag-teeth's pressure against riverbed and sealed degree of the draghead were also tested, and some adjustments and improvements were made. 研究了耙齿对地压力、耙头吸腔密封度等因素的影响，并做出了调整和改进。