2690| 5
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請教:與每個連桿頸對應兩個平衡塊的曲軸相比,每個連桿頸對應一個平衡塊的曲軸的優點 |
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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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