Ptt 大爆卦 | Crutches - 前往 https://www.purdue.edu/newsroom/releases/2018/Q4/hands-free-crutches-developed-at-purdue-alleviate-pain-and-discomfort-associated-with-conventional-crutches.html

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並前往https://www.purdue.edu/newsroom/releases/2018/Q4/hands-free-crutches-developed-at-purdue-alleviate-pain-and-discomfort-associated-with-conventional-crutches.html

Hands-free crutches developed at Purdue alleviate pain and ...

A snowboarding accident led a group of Purdue University students to create a new kind of hands-free crutch aimed at helping injured people ...

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