楼梯机只是走着上坡，没有冲击力。

来源: borisg 于 2022-04-19 19:57:20 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.