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樓主  發(fā)表于: 2008-03-20 23:43
              請問(wèn),,各位前輩
怎么用一個(gè)普通的按鈕,  和普通的接觸器 繼電器實(shí)現啟停 (按一下是啟,再按就是停)電機
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1樓  發(fā)表于: 2008-03-21 15:58


傳說(shuō)是某公司面試的題目，以前有人問(wèn)過(guò)，圖也是轉的，覺(jué)得有趣便收之，沒(méi)什么實(shí)際用處。
[ 此貼被一天賊忙在2008-03-21 16:12重新編輯 ]
混灌水區的！

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