3039| 8
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點(diǎn)評(píng)
哦,還有一個(gè)是關(guān)鍵,正反轉(zhuǎn)控制電路,兩個(gè)交流接觸器,會(huì)頭大的哦
補(bǔ)充,交流接觸觸頭是開(kāi)關(guān),電機(jī)是燈泡
評(píng)分
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評(píng)分
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點(diǎn)評(píng)
會(huì)接電燈不?
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