搜索 - 科创

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（双重开伞更有保障）复合材料塞锥燃料与火箭全家福到达场地，开始布置激动的按下点火按钮，发射成功！‎就在以为都成功的时候，只见降落伞从空中慢悠悠的飘落。火箭不见了踪影。。。检查伞，发现是被扯断的。

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