回复：Thank you for the info. I didn't know this.

来源: QinJin 于 2009-11-02 07:36:21 [] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: 也谈钱学森的错误 由 老看客 于 2009-11-01 21:47:21
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