你的意思是靠高踏頻去降低腿部膝蓋受力吧，就是應該switch gear的意思，不知我理解的對不對。

來源: 隨園居士於 2023-08-30 20:51:52 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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