中国目前正在研制的长征二号E运载火箭是长征火箭家族中的新的一员,它以可靠性很高的长征二号C为基础,加大芯级,并捆绑四个液体助推器,运载能力相当于美国航天飞机的 1/4。长征二号E面向国际航天发射市场,主要将用于发射第二代商用通信卫星。这项研制计划将为我国大型新型运载火箭的研制打下基础。本文介绍了该火箭的结构、工艺、运载能力及发射等问题。 China is currently under development Long March II E launch vehicle is a member of the Long March rocket family, it is based on the highly reliable Changzheng II C, to increase the core level, and bundled with four liquid booster, The carrying capacity is equivalent to 1/4 of the U.S. space shuttle. The Long March II E is aimed at the international space launch market and will be mainly used to launch the second generation of commercial communications satellites. This development plan will lay the foundation for the development of a large new type of launch vehicle in our country. This article describes the structure, craft, carrying capacity and launch of the rocket.