以前沒想過帆船的原理，教授一講，覺得挺有意思。問題來了，完全沒有風的情況下，帆船就躺平嗎？

來源: 嚴惠姍於 2022-09-05 14:38:19 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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