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彈性柱銷聯軸器兩端面接觸處為什么要用墊圈(5mm)?作用是什么? |
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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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