At transonic speeds (near the pace of sound), it can help to comb the wing backwards or forwards to scale back drag from supersonic shock waves as they begin to kind. The swept wing is just a straight wing swept backwards or forwards. صفحات للمحررين الذين سجَّلوا خروجهم تعلَّم المزيد https://charlie2if34.blogoxo.com/27313579/top-خانه-secrets