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鄂小兔
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下載積分: 720 分
在線(xiàn)時(shí)間: 9(小時(shí))
注冊時(shí)間: 2013-09-11
最后登錄: 2013-11-05
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樓主  發(fā)表于: 2013-09-22 21:59
描述：CAD
圖片：
一個(gè)往返小車(chē)控制，動(dòng)作順序是啟動(dòng)，正轉運行檢測到右接近開(kāi)關(guān)后3S停止1S，反轉檢測到左接近開(kāi)關(guān)3S后停止1S，正轉循環(huán)。要求開(kāi)機檢測左側原點(diǎn)（左側接近后端3秒位置）示意圖如下（畫(huà)的不好，畢業(yè)之后一直做文職，畫(huà)圖也還給老師了）：
xuyifu
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在線(xiàn)時(shí)間: 134(小時(shí))
注冊時(shí)間: 2013-08-13
最后登錄: 2018-04-28
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1樓  發(fā)表于: 2013-09-23 11:30
如果有點(diǎn)基礎的話(huà)，還是買(mǎi)本書(shū)看看，找個(gè)電氣助理方面的事做做，學(xué)著(zhù)快點(diǎn)

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