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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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Posted in 熱膨脹.
Tagged with 線膨脹.
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By admin – 2009 年 06 月 23 日
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