Sikorsky X2 Technology helicopter achieves 250kt - Sep 20102011062211:07 影片為Sikorsky X2超越250節(462km/hr)的極速測試，非常精采! 相關文章 Sikorsky S97:The Raider Sikorsky S-97 Raider Sikorsky X-2 The World's Most Advanced Attack Helicopter The U.S. owns DEADLY FAST Turkish Military T129 ATAK Attack Helicopter 我要留言 Eurofighter Typhoon & Weapons 因應陸客自由行 本人可以擔任隨行導遊
