Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/0524b9183a42b59a50178f2ad44cc0b4.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 roll hesitation例句_roll hesitation英汉例句_roll hesitation双解例句_贰靶汉英词典
With the helicopter moving backwards at medium pace, the helicopter will be aileron-rolled twice, each roll being clearly delineated by 4 hesitation points. 直升机中速后退飞行的过程中做两个四位横滚，横滚的四个停顿点要清楚。