MacArthur 发表于 2013-10-19 20:402 _/ l* y' x2 R5 x
这只“虎”的俩前起落架上包裹的是什么东西?起落架整流罩?" ]! v7 d2 g; O A! L; V6 @
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让我想起另外一个著名的“穿草鞋的”
What he found was that vortex ring state is surprisingly hard to induce.
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