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lic23
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樓主  發(fā)表于: 2012-07-26 09:16
現有一水泵向容器內注水，高液位處有液位傳感器。
控制要求：若液位傳感器失效，則按開(kāi)始按鈕不能啟動(dòng)水泵！
692326512
每天進(jìn)步一小步
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1樓  發(fā)表于: 2012-07-27 15:55
7樓的不錯

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