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[国外标准] BS IEC 60287-3-3:2007 Electric cables Calculation of the current rating Part 3-3: Sections on operating

jackfrost

P:2008-08-07 16:07:34

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BS IEC 60287-3-3:2007 Electric cables Calculation of the current rating Part 3-3: Sections on operating.pdf

BS IEC 60287-3-3:2007 Electric cables Calculation of the current rating Part 3-3: Sections on operating.pdf

Temperature Raise - 温昇。电线或电缆由无负载到满载电流时其间温度之差异或改变，在计算安全电流或短路电流时为极重要的数据之一。 （0） 投诉

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