购买地址：
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bucuo.com/product/otto-%e6%9c%ba%e5%99%a8%e4%ba%ba-%e5%8机器人跳舞视频8%9b%e5%ae%a2-%e5%bc%80%e6%ba%90-%e5%8f%8c%e8%b6%b3%e4%ba%ba%e5%bd%a2-arduino-%e5%8d%95%e7%89%87%e6%9c%ba-%e9%81%bf%e9%9a%9c3d%e6%89%93%e5%8d%b0%e8%b7%b3%e8%88%9e
购买地址：
https://www.hai bucuo.com/product/otto-%e6%9c%ba%e5%99%a8%e4%ba%ba-%e5%8机器人跳舞视频8%9b%e5%ae%a2-%e5%bc%80%e6%ba%90-%e5%8f%8c%e8%b6%b3%e4%ba%ba%e5%bd%a2-arduino-%e5%8d%95%e7%89%87%e6%9c%ba-%e9%81%bf%e9%9a%9c3d%e6%89%93%e5%8d%b0%e8%b7%b3%e8%88%9e
