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更換四柱油壓機y型密封圈,發(fā)現(xiàn)活塞頭處o型密封環(huán)槽崩掉一塊 |
點評
是啊!我也覺得好神奇,所以來求教各位高手.大俠給予神奇的指點
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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(wǎng)安備33038202004372號 )
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