Indicators on ماشین You Should Know
At transonic speeds (near the velocity of audio), it helps to brush the wing backwards or forwards to cut back drag from supersonic shock waves as they begin to type. The swept wing is just a straight wing swept backwards or forwards.ویکیپدیا® علامتی تجاری متعلق به سازمان غیرانتفاعی بنیاد ویکی