中国航天起步于20世纪50年代,是从仿制前苏联的“P-1”火箭开始的,但在苏联撤走专家之后.中国航天人依靠自己对技术的理解.完成了仿制工作。1960年,随着戈壁滩上的轰鸣声响起,中国第一次成功发射了自己的运载火箭。在这之后的道路,可以说完全靠自己。无论是直径2.25m的长征一号火箭,以及后来的直径3.35m的长征二号火箭,都是完全意义上的国货。在我们航天事业起步的早期,当我们的液体火箭发 China started its spaceflight operations in the 1950s with the imitation of the “P-1” rocket from the former Soviet Union, but after the withdrawal of Soviet experts, China’s space crew relied on its own understanding of technology and completed its imitation work. In 1960, China launched its first launch vehicle successfully for the first time as the roar of Gobi Desert sounded. After that, the road can be entirely on their own. Whether it is 2.25m long march rocket, and later the 3.35m diameter long march rocket, are the full meaning of domestic products. In the early days of our spaceflight career, when our liquid rocket hair