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範例:線膨脹

在20oC由長60公尺的鐵軌築成的鐵路,在40oC時恰無空隙。問在20oC兩鐵軌間之空隙應若干?又溫度降到7oC時,鐵軌間的空隙有多大? ( α=1.1×10-5/oC)


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By admin – 2009 年 06 月 23 日

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