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全新原装 CH340N CH330N SOP8贴片 CH340K ESSOP10 USB转串口芯片
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全新原装USB转串口芯片现货
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CH340G 340C 340T/E/N/K/B CH340X USB转接串口芯片9340K 好质量
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USB串口芯片CH340C 340N 442E 224 443K 343P 340B 340T 340X 455
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直拍原装 CH340N CH330N SOP8贴片 CH340K ESSOP10 USB转串口芯片
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