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当前,世界航天强国纷纷重启重型运载火箭研制计划,欧洲、日本、印度竞相推进新型大运载火箭研究论证。与此同时,中国航天人也加紧研制自己的重型运载火箭。我国重型运载火箭研制工作已正式启动先期关键技术攻关、方案深化论证,目前火箭发动机技术攻关已取得突破性进展。我国重型火箭先期关键技术攻关、方案深化论证工作于2016年6月正式批复立项,主要的攻关内容为“一总三大”:一总即重型火箭的总体技术和方案优化;三大即10米级大直径箭体结构的设计、制造和试验,480吨大推力的液氧煤
At present, the world’s space powers have restarted their plans for developing heavy-duty launch vehicles. Europe, Japan and India are racing to promote the research on the new large launch vehicle. In the meantime, China’s space shuttle also stepped up its development of its own heavy-duty launch vehicle. China’s heavy rocket development work has officially started the early key technology research programs to deepen the argument, the rocket engine technology breakthrough has made a breakthrough. China’s heavy rocket advance key technology research, program deepening demonstration work officially approved in June 2016 project, the main research content for “a total of three ”: a total of heavy rockets overall technology and program optimization; three Design, manufacture and test of 10-meter large diameter rocket body structure, 480 tons of liquid oxygen coal with high thrust