6999| 22
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有沒有齒輪行業的,看一下這是什么齒輪 |
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點評
弧面錐齒輪有很多種制式,你別光盯著格列森制呢
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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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