NEW: China has announced it has created the world’s fastest wind tunnel, giving it a significant advantage in the race to create hypersonic weapons. - Telegraph— Insider Paper (@TheInsiderPaper) 2021年8月23日 d1021.hatenadiary.jp#反中国#対中露戦#習近平伏魔殿体制＝旧体制d1021.hatenadiary.jp
