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  DB9\u63a5\u53e3\u5f15\u811a\u5b9a\u4e49<\/h3>\n

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DB9 RS232\u63a5\u53e3\u5b9a\u4e49\u7684\u5e94\u7528\u9886\u57df<\/h2>\n

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  \u8ba1\u7b97\u673a\u5916\u90e8\u8bbe\u5907\u8fde\u63a5<\/h3>\n

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  \u5de5\u4e1a\u63a7\u5236\u7cfb\u7edf<\/h3>\n

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\u603b\u7ed3<\/h2>\n

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