据说给关节添加润滑剂？反正关节不好的国内人民都要这个。不过据反革命群球友讲，costco卖的BiFlex效果更好。

来源: Feinbery 于 2026-03-11 14:07:23 [旧帖] [给我悄悄话] 本文已被阅读：次

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