以前踩楼梯机我就是扶着把手，安全还省事儿。后来看了一个教练的视频强调不要用把手，才开始不用，好累

来源: 小眼睛精灵于 2024-07-06 19:44:17 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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