小型 強力電磁鐵 YungYuenTaiwan · 52 videos Subscribe Subscribed Unsubscribe 47 Subscription preferences Loading ... 7:27 強瘋來習-理化教學12- 電磁鐵的 製作 by 廖家立 1,785 views 3:20 1010217 1.5V 電磁鐵~壯丁拔羅蔔 by teach073...
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