2363| 18
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孔軸0間隙配合有沒有好辦法打膠水 |
點評
密封圈在里面,光怎能照得到?
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點評
另外來個線導電可以不
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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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