18470| 32
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圖片上的這個螺母到底應該擰在哪? |
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點評
螺栓確定了位置兩個螺母鎖緊固定螺栓。
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Archiver|手機版|小黑屋|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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