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樓主  發(fā)表于: 2017-02-22 10:09
最近在學(xué)習CAD繪圖，但是很多電氣元件的符號、區別不記得了。
有沒(méi)有比較好的，關(guān)于電氣元件符號、CAD圖形的、功能區別的書(shū)籍？
我是菜鳥(niǎo)。

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