"簡易小馬達" 修訂間的差異
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<videoflash>O-_KuFJTCOQ</videoflash> | <videoflash>O-_KuFJTCOQ</videoflash> | ||
<videoflash>Tpu7a8awlSU</videoflash> | <videoflash>Tpu7a8awlSU</videoflash> | ||
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+ | <videoflash>5MJDNlMyYVw&t=2s</videoflash> | ||
<img src='http://science4everyone.net/file/%E5%BC%B5%E9%88%9E%E7%A5%BA/dcmotor2.gif' width='400px'/> | <img src='http://science4everyone.net/file/%E5%BC%B5%E9%88%9E%E7%A5%BA/dcmotor2.gif' width='400px'/> |