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同步帶設計,高速時噪音大! |
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點評
同步輪中心排氣槽,期待詳細說明……
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小黑屋|手機版|Archiver|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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