搜索 - 科创

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看看你一下回复了多少楼对，不锈钢喷管是没扛住，所以我重新设计了不锈钢-石墨复合喷管我去这么厚都能被烧穿

全部都是开放烧，哪来的推力，要说有，第4估计有点，中空没喷管？比其它的是要大点，1,8不好说，反正火大的肯定没有推力。下一步提高燃料品质加喷管吧。

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