5588| 10
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這個該怎么密封呢 |
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點評
這種軸承安裝很隨意,如何能保證O圈、唇封結構當中對軸和孔的要求。
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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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