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The PC8 supports Windows XP: Linux is optionally available.
PC8支持WindowsXP操作系统，Linux操作系统是可选项。
youdao
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Items except the main unit and the connection box are optionally available.
除主机和连接盒以外的各项是选购件。
youdao
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Items except the main unit and the connection box are optionally available.
除主机和连接盒以外的各项是选购件。
youdao