謝了哈，沒錯，僅僅是個輔助訓練手段。有人用它腰背痛，就不勉強了

來源: coach1960 於 2022-05-10 18:13:14 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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