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  RS-232\u63a5\u53e3\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n

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232\u63a5\u53e3\u7684\u672a\u6765\u53d1\u5c55<\/h2>\n

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\u603b\u7ed3<\/h2>\n

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