難以想象這些人怎麽敢去讀流體力學，當年我們開卷考試，都不知道怎麽答，只好找相似的題抄答案

来源: justforfun 于 2024-10-22 14:56:00 [旧帖] [给我悄悄话] 本文已被阅读：次

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