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yumingming
級別: 正式會(huì )員
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樓主  發(fā)表于: 2011-10-28 10:48
1250KVA的變壓器，可以承受多少個(gè)安培？如何用公式計算
liuhanqi
活著(zhù)就要做貢獻！
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1樓  發(fā)表于: 2011-10-28 10:50
功率÷輸出電壓÷1.732=輸出電流
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