中国高超音速重型轰炸机可在两小时内抵达纽约?外国网友开眼界
Plans for a 'hypersonic heavy bomber' that could fly between Beijing and New York in just two hours have been unveiled by Chinese researchers.中国研究人员公开了...
Plans for a 'hypersonic heavy bomber' that could fly between Beijing and New York in just two hours have been unveiled by Chinese researchers.中国研究人员公开了...