搜索 - 科创

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应该改为：是通过热力学计算算出燃气比热比，进而推出扩张比，再通过喷管出口面积和扩张比得出喉部面积吗？

以下是引用ABC在2008-4-25 21:51:10的发言：以下是引用twz562在2008-4-25 20:17:40的发言：对了，看上去喷管扩张比有点大，尽量别超过5，不然，在大气中可能要损失很多的推力

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