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“长征五号”首飞推迟 发射前一刻发生了什么

2016-11-04 07:14:38   央广网

长征五号运载火箭工程于2006年经国务院批准立项研制，由国家国防科技工业局牵头组织实施，中国航天科技集团公司所属中国运载火箭技术研究院抓总研制。遵循“发展航天、运载先行”，“运载发展、动力先行”的理念，2000年，我国先行启动了120吨级液氧煤油发动机和50吨级液氢液氧发动机研制攻关，其科研成果直接转化支撑了长征六号、长征七号等新型运载火箭研制并首飞成功。图为长征五号画面

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