h223449961 wrote:要放幾顆磁鐵在自行...(恕刪)
mi25 wrote:一顆。轉一圈感應一次...(恕刪)
altairchou wrote:多放幾顆呀~開心錶...(恕刪)
altairchou wrote:多放幾顆呀~開心錶欸
Mystique Hsiao wrote:每根鋼絲裝一顆磁鐵...(恕刪) 可是您裝多少顆,最後輸出還是要除以那多少吧?謝謝!