收小臂是肌肉發力，常規打法。抖一下是內功發力，力出自丹田，如果練好，球如炮彈發射，無人能擋。

來源: 通州河於 2020-05-11 13:05:17 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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