載入中... 相關課程 Back 5-1觀念08兩平行載流導線相互作用的磁力 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. 5-1觀念08兩平行載流導線相互作用的磁力 上傳學習單 下載學習單