TOP ملک SECRETS

A variable geometry wing is usually improved in flight to a unique shape. The variable-sweep wing transforms in between an economical straight configuration for takeoff and landing, to the lower-drag swept configuration for top-pace flight.اردو الفاظ کا وسیع ذخیرہ جہاں لفظ اپنی خوش آہنگ آوازوں، مخ�