4504| 6
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機械的往復運動 |
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點評
確實就這么簡單。。。一個風扇的成本,它不會很復雜
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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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