TOP خانه SECRETS

At transonic speeds (close to the speed of sound), it can help to brush the wing backwards or forwards to lower drag from supersonic shock waves as they start to sort. The swept wing is simply a straight wing swept backwards or forwards.کیا آپ واقعی ان اندراجات کو حذف کر رہے ہیں؟ انہیں واپس لانا نا