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http://www.extremetech.com/extreme/188417-rejoice-commuters-and-workers-thechairless-chair-exoskeleton-lets-you-sit-down-anywhere-anytime
您即将离开知乎,请注意您的帐号和财产安全。
http://www.extremetech.com/extreme/188417-rejoice-commuters-and-workers-thechairless-chair-exoskeleton-lets-you-sit-down-anywhere-anytime