央视新闻【长征八号将验证运载火箭重复使用技术】
长征八号运载火箭首飞成功 芯一级发动机节流 [并不简单] （PS：CG动画演示为长征8R可回收型）
9 months ago 00:00:47 643
2 years ago 00:00:22 1.3K
2 years ago 00:04:59 5K
2 years ago 00:00:27 1.4K
2 years ago 00:00:36 25
2 years ago 00:00:32 30
2 years ago 00:00:18 2.5K
2 years ago 00:01:03 910
2 years ago 00:00:30 710
2 years ago 00:00:21 3.1K
2 years ago 00:00:14 43
2 years ago 00:00:24 1.3K
2 years ago 00:00:25 421
2 years ago 00:00:29 1K
3 years ago 00:00:43 418
3 years ago 00:00:56 714
3 years ago 00:00:31 324
3 years ago 00:00:20 285
3 years ago 00:00:30 697
3 years ago 00:00:51 396
3 years ago 00:00:52 774
3 years ago 00:00:38 19
3 years ago 00:00:31 1.2K
3 years ago 00:01:30 450