هواپیما SECRETS

At transonic speeds (close to the velocity of audio), it can help to comb the wing backwards or forwards to reduce drag from supersonic shock waves as they start to sort. The swept wing is simply a straight wing swept backwards or forwards.عربی - اسم، مذکر، واحد خدائے تعالیٰ کی وہ مقدس اور معصوم مخلو�