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plcxx
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樓主  發(fā)表于: 2008-10-28 16:07
置位（也就是置1）會(huì )讓常閉點(diǎn)變?yōu)?還是0��？

復位（也就是置0）會(huì )讓常開(kāi)點(diǎn)變?yōu)?還是0��？
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1樓  發(fā)表于: 2008-10-30 09:31
有些東西是想象的跟實(shí)際的是差的遠的　　　還是自己編個(gè)程序下進(jìn)去實(shí)踐下就知道是怎么回事的

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