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/ F7 ~9 ~% K8 v, ]' @, l; J% JMacArthur 发表于 2013-10-19 20:40) o& [! i2 g& A7 ? W3 W
这只“虎”的俩前起落架上包裹的是什么东西?起落架整流罩?* w2 \0 D' ?6 d E% n/ E& y
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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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