如果你看到这篇文章是说：发送一个“命令行”，结尾的回车换行符。

If you see the article is says: Send a single "command line", ending with CRLF.

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作为回车符和换行符的组合。

For the carriage return and linefeed character combination.

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作为回车符和换行符的组合。

For the carriage return and linefeed character combination.

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