4995| 9
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請教:小家電用的碳刷馬達,擋油介質和軸承可以貼合裝配嗎? |
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小黑屋|手機版|Archiver|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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