3333| 10
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一種離合器齒輪有些不清楚原理 |
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點評
老式卡帶機,電機是不變向的,靠機械結構變向
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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