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18ݻṹƿγҵ - A
(ѡ)̰꼶ѧϲв(д)
2019ְơ÷D ()
ʮ塱صĿ-¸ȾɫĿо - ͼ
AT89C51ƬULN2003оƬIJƼ·ϵͳ
()80淋ĹƱҵ
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AS-9000Сϵͳ
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2018ܶά״չƷĿ¼
㽭ʡ2018(word,)