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xohuang
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樓主  發(fā)表于: 2008-02-28 13:23
plc的系列種類(lèi)那么多，各個(gè)工程有各個(gè)不同的需要，記住所有系列的用法似乎不太可能，如果需要一種時(shí)再去學(xué)，似乎又太慢了。請問(wèn)如何解決這個(gè)學(xué)習plc的問(wèn)題

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