RS-232、RS-422与RS-485标准及应用

李纲

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<>sdgf</P>

dtydrk

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thealist

谢谢楼主

chengzb

<>太好了</P>

zyghyf

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zyghyf

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yingzhg1

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stonee

支持交流

xianlibolin

谢谢

云的彼端

看看