我說的是冷漲熱縮

來源: 於 2025-05-07 20:02:55 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

Car Talk老頭的原話。

他倆沒錯

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How To Shrink Rubber Bands
Yes, rubber generally shrinks when heated. This is because rubber is a polymer, and when heated, the polymer chains become more mobile and tend to curl up, reducing the overall length of the material. This increased mobility and disorder lead to a contraction of the rubber