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vickyson
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樓主  發(fā)表于: 2010-11-17 15:53
梯形圖怎么表示異或？
還有，如果有三個(gè)邏輯變量，我希望只要三個(gè)變量的值不是相等的就有能流通過(guò)，否則就沒(méi)有能流通過(guò)，該怎么用梯形圖來(lái)表示？
期待大俠解答
cvlsam
富士低壓，POD（觸摸屏），PLC專(zhuān)賣(mài)
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1樓  發(fā)表于: 2010-11-17 16:03
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