5510| 8
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RV減速機的密封設計,哪位有經驗 |
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點評
不是潤滑脂嗎?比黃油要稀,但比油要稠很多啊。
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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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