10891| 23
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單向閥里的彈珠,封油效果總是不理想! |
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點評
哈哈……單向閥閥芯就是軸承鋼珠,閥口材質不好吶。
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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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