載入中... 相關課程 Back 7-1例題01合力作功=動能變化量 登入觀看 ⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles. 7-1例題01合力作功=動能變化量 上傳學習單 下載學習單