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枫下家园 / 家用电器 / 好奇问一下,一个电源模块,比如110V转成直流6V,2A的,宽电压的(开关电源)比起只能插110V的(里边是线圈的)成本能多几块钱?
-heater(美帝苏修);
2010-5-31
(#6098216@0)
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20% more。。。
-noproblem(密西洒家。o O);
2010-5-31
(#6098228@0)
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-0.33¥
-firetrain(火车头);
2010-5-31
(#6098258@0)