5167| 6
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簡單的工件,內孔車不準??次胰绾螏椭率?/span> |
點評
其實是可以這樣做的,同心度要求按理來說不是要求很高,因為是皮帶輪
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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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