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huxupin
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樓主  發(fā)表于: 2009-11-20 17:36
我見(jiàn)過(guò)一個(gè)控制變壓器BK160，負載功率加起來(lái)有180W，工作了幾個(gè)月變壓器工作還正常，盡然還沒(méi)燒掉，有點(diǎn)讓人不解了。

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